एक विलयन के 320 g विलायकजल में 40g साधारण नमक विलेय है। विलयनकी सांद्रता का परिकलन करें।A solution contains 40 g of common salt in 320 gof water. Calculate the concentration in terms ofmass by mass percentage of the solution.

Mass per cent is a way of expressing a concentration or describing the component in a particular…

Answered: A solution contains 40 g of common salt…

A solution contains 40 g of common salt in 320 of water. Calculate the concentration in terms of mass by mass percentage of the solution.

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter2: Molecules Of Life

Section: Chapter Questions

Problem 3FIO: Figure 2.12 A pH scale. Here, red dots signify hydrogen ions (H+) and blue dots signify hydroxyl...

See similar textbooks

Related questions

Q: Using an example of your choice of buffer, explain how a buffer absorbs added acids and bases. Use…

A: Introduction Buffer solutions maintain their pH constant even upon the addition of small amounts of…

Q: What is the pH of blood? The pH Scale Ammonia Stomach Acid Vinegar Coffee Water Baking Soda Solution…

A: pH is the measure of how acidic or basic a liquid is. Range of pH scale is 0-14. <7 being the…

Q: Assume that the mixture of substances in drawing (a) undergoes a reaction. Which of the drawings…

A: The law of conservation of mass states the mass in an isolated system is neither created nor…

Q: When 11 milliliters are transferred from his sample to a dilution vial containing 99 ml, what is the…

A: Given Volume of stock transferred = 11ml Vial volume = 99ml Both are same unit so don't have to…

Q: Calculate the mass percent of this solution

A: 16.7 grams in 645 ml solution Density of solution : 1.09 g/ml

Q: Compare the characteristics of an acid, a base, and a salt.

A: Acid is a chemical compound which is naturally present in fruits, vegetables, and can be derived…

Q: What do you call to the unit amount of a substance used for measuring large quantities of very small…

A: The mole (particularly millimoles and molarity) is a commonly used unit in medicine. For example,…

Q: Identify as many materials as you can in the dust. If you cannot identify a particular material,…

A: Dust is made up of fine particles of solid matter. It consists of particles from the atomosphere…

Q: Amount of water added (mL) Amount of Stock Solution (mL) Final Concentration A Solution 1 0.…

A: The concentration of unknown solution can be calculated from the formula C1V1= C2V2 Where C1=…

Q: A chemist prepares a solution of barium chlorate BaClO32 by measuring out 19.μmol of barium…

A: Concentration of solution refers to the abundance of solute particles in the solution. It can be…

Q: Interpret the pH scale.

A: Acid can be defined as any hydrogen-containing substance that has the tendency of donating the…

Q: Predict whether a solution has a high or low concentration of free hydrogen ions by using its pH…

A: The pH of any solution is a proportion of the convergence of hydrogen ions in the solution A…

Q: What is the concentration of hydrogen ions [H+] in a solution that has a pH of 2? (write out using…

A: The pH, a standard unit that is used to specify whether an aqueous solution is acidic or basic, is…

Q: A _____________ is a type of mixture in which small particles are evenly distributed throughout…

A: When two or more substances mix with each other without participating in a chemical change, the…

Q: Describe the pH scale and how it was derived; define acid, base,and neutral levels.

A: pH is an important quantity that reflects the chemical conditions of a solution. The pH can control…

Q: Convert between mass and moles using the molar mass of a substance.

A: Molarity is defined by a number of moles of a substance in a solution (in litres). Molar mass is…

Q: In the image above, the substance indicated as B is a(n) ____.

A: Enzymes are biological catalysts that increase the rate of chemical reactions happening inside the…

Q: Select the best answer or answers from the choices given: The mass number of an atom is (a) equal to…

A: The mass number of an atom is:

Q: Buffers are mixtures of a weak acid and a weak base that combine with a strong acid or base to limit…

A: A solution is a homogeneous mixture of two or more things. The minor component of a solution is…

Q: What is the pH of 1.77 M HCI solution? Your Answer: Answer

A: pH: It uses to measure the acidity or basicity of a solution. It is measured on a scale of 1 to 14…

Q: Compare an element and a compound.

A: A chemical element is the substance, whose all atoms have same number of protons that means all of…

Q: If 65 percent of your body mass is water, determine how many kilograms of water you contain.

A: Water is the main component of the human body and it forms nearly 60% of body mass. Different organs…

Q: Choose an element from the periodic table that is found in the human body, and write five sentences…

A: All the living organisms are composed of mainly CHON. P and S are second most important elements.…

Q: Predict the pH of a sample of water if Kw were 10−10 or 10−20.

A: Kw is the equilibrium constant, which is denoted from the formula Kw = [H3O+] [OH-] = 10-14…

Q: describe the unique properties of water

A: Unique properties of water: Water is capable of dissolving a variety of different substances, which…

Q: Decide whether the following are chemical or physical mixtures.

A: The matters are everything around the ecosystem. The matters must have some weight and it has to…

Q: Explain what causes ice to float on top of liquid water.

A: The density of the substance is calculated as mass per unit volume. Density= massvolume

Q: A buffer is composed of a weak acid and its _____________ base

A: Buffer is a solution containing an acid and a base, or a salt, that tends to maintain a constant…

Q: pH represents the:

A: Answer - pH stands for potential of hydrogen and it is calculated as negative logarithm of hydrogen…

Q: determine the density of a metal that has a mass of 2.17g and a volume of 0.35 cm^3

A: The unit of density is gm/cm3 .

Q: Compare and contrast an acid from a base.

A: Acid and base both are chemical compounds that react to form water and salt by the neutralization…

Q: U, was used. Write the ionization euation for thin

A: weak acid is an acid that partially dissociates into its ions in an aqueous solution or water. In…

Q: Select the correct answer. Electrons, protons, and neutrons are three subatomic particles of an…

A: Step 1 The organization is a systematic arrangement of smaller and simpler components into larger…

Q: What is the molarity of a solution containing 12.7 g of sodium carbonate in 1.5 Lof solution? Round…

A: The molarity of a solution is the number of moles of the solute dissolved in one litre of the…

Q: Include the number of the blank in your answer.For example, Blank#1 = 15. Substance c (cal/goC) c…

A: 1 Calorie = 4184 Joule

Q: A student conducted an experiment to see how the amount of dissolved salt affects the boiling point…

A: Various factors are involved in determining the boiling and melting point of a substance. It may…

Q: What is the pH of a solution that has a higher concentration of H+ ions than water? A. > 7 B. 7…

A: The pH of the solution is described with respect to the concentration of hydrogen ions in the…

Q: Match the structure formula to the chemical formula for this substance

A: According to the question, a molecular structure is given. Now, we have to match the structural…

Q: twice as many oxygen atoms as carbon atoms

A: Any substance which consists of more than one part is known as a compound. It has a fixed…

Q: Using the figure, answer the following questions.a. What is the molar composition of the vapor in…

A: The horizontal lines denote constant temperature. The curve at point x denotes liquid having mole…

Q: Is it possible to write the chemical formula of some substances in food label? Name some medicines…

A: Food labels The information given by the manufacturer on the packaging of any food item is called a…

Q: Table 1: Mass (g) of bags A, B, and Cover time (min). f 15% 30% Mass of A (g) Mass of B (g) 11.6…

A: Tonicity is the property of the solutions. It can be defined as the extent of the solution to which…

Q: Convert the hydrogen ion concentration (moles per liter) of a solution to a pH value and describe…

A: Suppose a solution has a hydrogen ion concentration of 20 mM. One needs to calculate the pH of the…

Q: True or False: Solid water is more dense than Liquid water.

A: Solid water is less dense than liquid water because, when liquid water molecule freeze into solid…

Q: In a base, the hydrogen ion concentration is ____ than the hydroxide ion concentration.

A: In case of water, H+ and OH- concentration is equal. As the ionic product of water at 298 K is 1 x…

Q: A chemist reported that carbon dioxide gas at −78 °C was kept in the laboratory. Which property of…

A: Gas is one of the forms of water. It has several properties such as expansion, easy to be…

Q: If the pH is 2, what is the %HA at of a molecule has a pKa = 6? Report the answer to one decimal…

Q: Substances those are partially dissolved in water are commonly known as

A: Molecules that are dissolved in water completely are called polar substances. Polar molecules get…

Question

एक विलयन के 320 g विलायक
जल में 40g साधारण नमक विलेय है। विलयन
की सांद्रता का परिकलन करें।
A solution contains 40 g of common salt in 320 g
of water. Calculate the concentration in terms of
mass by mass percentage of the solution.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.

Similar questions

Using a pH meter, you find the pH of an unknown solution to be 8.0. How would you describe this solution? a. weakly acidic b. strongly acidic c. weakly basic d. strongly basic
Figure 2.12 A pH scale. Here, red dots signify hydrogen ions (H+) and blue dots signify hydroxyl ions (OH). Also shown are the approximate pH values for some common solutions. This pH scale ranges from 0 (most acidic) to 14 (most basic). A change of one unit on the scale corresponds to a tenfold change in the amount of H+ ions. Photos, JupiterImages Corporation. Figure It Out: What is the approximate pH of cola?
A salt does not release __________ in water. a. ions b. energy c. H+
A solution at pH 7 is considered neutral because (a) its hydrogen ion concentration is 0 mol/L (b) its hydroxide ion concentration is 0 mol/L (c) the product of its hydrogen ion concentration and its hydroxide ion concentration is 0 mol/L (d) its hydrogen ion concentration is equal to its hydroxide ion concentration (e) it is nonpolar
The pH probe/meter uses following equations: Ecell = L + 0.0592 log a1 = L - 0.0592 pH Where L = L1 + EAg/AgCI + Easy= constants L1 = - 0.0592 log a2 a1 = activity of analyte solution a2 = activity of internal solution How will measured pH value be affected vs “real” pH if the temperature of the sample is 30C when pH was measured ? a.measured pH is lower than real pH b.impact can not be determined c.measured pH is higher than real pH d.measured pH is same as real pH
The pH probe/meter uses following equations: Ecell = L + 0.0592 log a1 = L - 0.0592 pH Where L = L1 + EAg/AgCI + Easy= constants L1 = - 0.0592 log a2 a1 = activity of analyte solution a2 = activity of internal solution How will measured pH value be affected vs “real” pH if HCl in pH electrode, became 0.15M instead of 0.1M ? a.impact can not be determined b.measured pH is higher than "real" pH. c.measured pH is lower than "real" pH. d.measured pH is same as "real" pH.
A solution with pH 4 has __________ the H+ concentration of pH 8.
Table 2. Volume of BSA, protein content, and absorbance readings of reference solutions Solution Volume of BSA standard solution (μL) Protein content(μg/mL) Absorbance value At 595 nm 1 0 0 0 2 10 1 0.022 3 30 3 0.065 4 50 5 0.106 5 70 7 0.178 6 100 10 0.299 7 120 12 0.380 Make a graph by plotting the absorbance values versus the BSA protein content (in μg) for theseven reference solutions. When constructing the graph, be…
Using a pH meter, you find the pH of an unknown solution to be 8.0 how would u describe this solution
In the image above, a paper clip appears to be resting on the surface of a cup of water at room temperature. Nothing has been added to the water to accomplish this. Which of the following statements accurately describes why this effect is possible.
Solution Initial Mass (g) Final Mass (g) Change in Mass (g) % Sucrose Red 1.88 1.79 -0.09 Orange 1.92 0.95 -0.97 Yellow 1.95 2.40 +0.45 Green 2.00 1.35 -0.65 Blue 1.89 2.90 +1.01 Purple 1.90 2.05 +0.15 First: Calculate the change in mass for each apple block in grams (g) and write it in the chart. Include a “+” or “–” sign to signify a gain or loss in mass. Second: According to Jasmine’s lab directions, she should have created the following sucrose solutions: 0%, 5%, 10%, 15%, 20% and 25%. Using the changes in mass, determine which color solution has which percent sucrose and fill in the answers in the chart.
Sodium chloride, the table salt (NaCl) is added in cooking to enhance the flavor of the food. When 10.0 g of NaCl are added in 200.0 mL of water at 25.0oC in a coffee-cup calorimeter, 669 J of heat are absorbed. (Assume that there is no change in volume, d=1.00 g/mL, specific heat=4.18 J/g.oC). Evaluate the truthfulness of this statement: "Based on the above description, the solution process (i.e., the dissolution of NaCl or the breakdown of NaCl into its constituent ions) is exothermic." True False