Calculate the percent by mass of a solution that is prepared by dissolving 385 grams of potassium iodide in 755 grams of water

Q: A base is added to a 0.050 M solution of MnCl2, raising the pH gradually. Calculate the pH of the…

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Q: What is the percentage concentration of HNO3 if 25grams of HNO3 is dissolved in enough water to make…

A: When the solute in a solution is solid, then the concentration express is a mass percent…

Q: How much of a 10x buffer should be added to 900ml of water to make a 1x solution?

A: In this question, we are given with- 1. Concentration of stock solution= 10X 2. Required…

Q: Calculate the molarity (M) of a 46% (w/v) copper sulfate solution (m.w. = 160.0 g/mol)

A: Molarity is the number of moles of solute per litre of solution.

Q: What is the molarity of a 30% solution of NaCI

A: Let us first define the percentage solution : 30% NaCl solution= 30% w/v solution = 30g/100 ml.Since…

Q: How many grams of calcium chloride (CaCl2; molecular weight = 111 g mole−1) would you dissolve in…

A: Molar concentration is a measure of the concentration of solute in the solution per unit volume.…

Q: If a pharmacist needs to prepare a bacterial suspension with a concentration of 2.4x10^2 cfu using 1…

A: A colony-forming unit is the number of viable or alive cells in cell suspension that have the…

Q: A solution measuring pH 12 is _________ times __________ concentrated with H+ than a solution…

A: The term "pH" was first described by Danish biochemist Soren Peter Lauritz Sorensen. pH is defined…

Q: The test for starch in water is   A. silver nitrate.   B. iodine.   C. barium ions.   D.…

A: Starch is a homopolysaccharide molecule that was composed of alpha-D-glucose units in 1-4 and 1-6…

Q: How much sodium formate (HCOONa, 68.0069 g/mol) do you need to add to 400. mL of 1.00 M formic acid…

A: Given: Volume of formic acid = 400. mL pH=3.500 Ka = 1.77 x 10¯4 To calculate: Mass of sodium…

Q: How many grams of NaOH are needed to make 50 mL of a 0.02 g/mL NaOH solution?  How many grams of…

A: Given Values: 1. Volume of NaOH needs to be prepared = 50 ml Concentration of NaOH need to be…

Q: What is the approximate pH of a solution labeled 6 x 10-5 M HBr? * 4.2 O 4.5 5.8 O 9.8 O 8.2

A: pH is the measure of the strength of H+ ion or Hydronium ions in solution. pOH is…

Q: What is the pH of a solution that has an H¯ concentration of 1.75 x 10° mol/L

A: pH is the measure of the acidity or basicity of a medium.  It is measured as the negative logarithm…

Q: Now calculate the slope and equation for the best fit line. You may use excel

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Q: How many grams of NaOH would you need to make 7,252 mL of a 230 mM NaOH solution (m.w. = 40.00…

A: Answer- Here molarity of the solution is provided and requires the amount of weight of NaoH.

Q: Ordinary table salt is sodium chloride. What is baking soda?

A: Baking soda is chemically sodium bicarbonate. Its chemical formula is NaHCO3

Q: The pH of a 0.0082 M solution of HNO₃ is

A: The pH of solution is a measure of the molar concentration of hydrogen ions in the solution and as…

Q: Convert the following pH values in both [H+] and [OH-] values. (6 points) 1. pH  =  3.95…

A: According to the definition of pH, pH = -log [H+]. According to the definition of pOH, pOH = -log…

Q: Calculate pH of buffer prepared by mixing; 10ml of 0.10M of CH3COOH and 20ml of 0.10M of CH3COONa.

A: A buffer is defined as the mixture of a weak acid and its conjugate base or weak base and its…

Q: 12 grams of glucose will make how many mL of a 0.5 g/mL solution?

A: Given Values: Weight of glucose = 12 g Concentration = 0.5 gml How much volume of water needs to…

Q: Calculate the fractional charge on ASP at pH 3 using the following pKa values (1. 9.90, 3.90). Write…

A: A total of 300 amino acids are present in the biological system out of the 20 are part of…

Q: How many grams of copper sulfate would you need to make 5 L of a 7 M copper sulfate solution?

A: Molarity is defined as the moles of solute per litre of the solution. Hence, our target is to make…

Q: you have an order to administer 100 mg of Ceclor to a patient you have a bottle of liquid suspension…

A: Performing drug dsage calculation is an essential skill in health care. Health-care professionals…

Q: Calculate the pH of a solution containing 0.0314 M malic acid and 0.020 M potassium hydrogen malate.…

A: Given Values: Ka1 = 3.48×10-4 Ka2 = 8×10-6 Conc. of malic acid = 0.0314 M Conc. of potassium…

Q: Estimate the pH of a solution prepared by dissolving 1.0 × 10-10 mole of a strong acid in a liter of…

A: Analyze: We are asked to determine the pH of a solution prepared with a strong electrolytes that…

Q: A solution is made by mixing 56.9 g of water and 23.8 g NaCl. What is the concentration of NaCl in…

A: Given Values: Weight of the water = 56.9 grams Weight of NaCl = 23.8 grams

Q: How many grams of NaCl are required to prepare 100 mL of a solution of 1 M NaCl? (NaCl molecular…

A: Introduction Solution using the formula :   Molarity=moles of soluteVolume of solution(in L)=nVAlso,…

Q: Define the following terms: a. hydronium ion b. acid c. base d. Ka e. pKa

A: In the solution, when a compound reacts, there is a formation of the product. In the chemical…

Q: A KCC student titrated 100.00 mL of a NaOH solution using 55.00 mL of a 0.1000M H2SO4 solution. How…

A: The reaction of an acid with a base is called an acid-base reaction. It is also called a…

Q: If 10g of salt was mixed in 1L water. What percent solution will this be.

A: According to the question,Mass of solute = 10 grams = 10gVolume of water = 1L = 1000 mili Liters…

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: An aqueous solution is 3.50 % by mass hydrochloric acid, HCl, and has a density of 1.02 g/mL. The…

A: Mole fraction is expressed in the terms of moles. It is can be calculated from the formula that is…

Q: Using the Henderson-Hasselbalch equation, calculate the pH of a buffer solution made from 0.20 M…

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Q: Write out a recipe to create the following solution: 5ml of 300mM Sodium Citrate (molecular weight -…

A: Molarity It can be calculated using the formula: M=n/V(L) n=w/mol.wt. M =w/mol.wt. × v We have to…

Q: Determine the pH of a solution composed of 1 M acetic acidand 1 M sodium acetate.

A: pH is a scale that is used to specify the acidity or basicity of an aqueous solution. Acidic…

Q: How many grams of sucrose (molecular weight = 342 g mole−1) would you dissolve in water to make a…

A: Molarity = no. of moles of solute / liters of the solution

Q: rochloric acid Lemon Apple Banana Water Baking soda Drain cleaner Ammonia 12 3 14 Most acidic Most…

A: A solution having a pH value below than 7 is known as an Acidic Solution whereas a solution whose pH…

Q: Assume that you have a stock solution of 10% SDS and you need to make 150 microliters of 0.5% SDS.…

A: Stock solution (SDS) = 10%Concentration of stock solution = 10g of SDS/ 100ml of water.Similarly,…

Q: What is the pH of a buffer prepared by adding 30.0 mL of 0.25 M acetic acid (CH₂COOH) (K. = 1.7 x…

A: The pH of a buffer prepared by adding 30.0 mL of 0.25 M acetic acid to 125.0 mL of 0.15 M sodium…

Q: A solution with pH 4 has __________ the H+ concentration of pH 8.

A: pH value is generally used to measure the acidic or basic level of a solution. It ranges from 0 to…

Q: what is the pH of a solution with a H+ concentration of 1.44 x 10-3 M

A: pH is the potential of hydrogen.pH is a way of measurement of acidity or alkalinity.It measures the…

Q: The H⁺ concentration in an aqueous solution at 25 °C is 4.3 × 10⁻⁶. What is [OH⁻]?

A: Hydrogen ion concentration [H+] of a solution is expressed in terms of pH. pH is the negative log of…

Q: What is the pH of an aqueous solution with {H3O+} = 6x10-12

A: pH is logarithm of the reciprocal of the H+  or H3O+ ion concentration in a solution that is…

Q: what is the pH of a 0.0250 M solution of calcium Hydroxide? A) 12.40 B) 1.60  C) 1.70 D) 12.30

A: pH of a solution represents amount of hydrogen ions present in the solution which in turns…

Q: If you mix 9 g of NaOH with 90 mL of water, what is the mass/volume (g/mL) concentration of the…

A: Given Values: Weight of NaOH = 9 gVolume  of the water to be mixed with 9 g NaOH= 90 ml

Q: How many grams of glucose would you need to make 500 mL of an 8% solution?

A: The concentration of the solution is determined by calculating the amount of solute dissolved in a…

Q: If your 16x concentrated stock solution contains 20g of Nacl per liter, how much NaCI would one…

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Q: Explain the difference in the melting points of the linoleic acid and linolenic acid:

A: The fatty acids are the compounds that are also present in the cell membranes and allow for the…

Q: If a solution has a concentration of 10^-7 OH ions, how many H ions does it have?

A: pH is chemical scale that specifies the acid or basic strength of a solution. Pure water has a pH of…