Q3 / What is the percent composition (percentage of solution in which 40000 mg of sodium chloride is dissolved in 0.4 liters of solution? And calculate concentration in Molarity and ppm.

Q: 4. How many grams of MgCl2 is dissolved in enough water to prepare 1500 mL of solution containing…

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Q: When 14.3 g of a certain molecular compound X are dissolved in  85.0 g of benzene C6H6, the…

A: The depression in the freezing point refers to a phenomenon which is used to describe the effect of…

Q: A solution of 96% H,SO, by weight has a density of 1.84 g/mL at 25°C. Find (a) mole fraction, (b)…

A: Given,  Mass percent of H2SO4 = 96%  Density of the solution = 1.84 g/mL  (a). Moles fraction of…

Q: You prepare  45mL of a 0.15M Potassium Chloride solution. What would be the expected mass of 4mL…

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Q: A bottle contains 69mL of vanillin extract solution. If the extract contains 45mL of alcohol. What…

A: We have to calculate the volume percent of alcohol in solution.

Q: What weight (in grams) of caffeine (C8H10O2N4) is required to prepare 100 mL each of the following…

A: A mole of a substance weighs its molar mass and contain avagadro number of particle  Let us suppose…

Q: Kaochler, a 10%(m/v) KCL solution, is an oral electrolyte supplement administered for pottassium…

A: Given: % (m/v) of KCl = 10 % And volume of solution = 175 mL

Q: 2. Suppose a standard mixture of antifreeze contains 500. mL ethylene glycol (557 g) in water, in a…

A: Molarity is defined as “the mole of the solute per unit volume of the solution”. It is represented…

Q: Calculate the molarity of each aqueous solution:(a) 25.5 mL of 6.25 M HCl diluted to 0.500 L with…

A:

Q: a solution is made by dissolving 13.5g of glucose in 0.100kg of water. What is the masspercentage of…

A: The mass of solute in gram present in 100 g solution is known as the mass percent concentration of a…

Q: A 0.058 g sample of a unknown substance was dissolved in 2.635 g of benzene, C6H6. The molality of…

A: Given: The given mass of unknown substance, (m1)= 0.058 g. The given mass of benzene, (m2)= 2.635 g.…

Q: Calculate, in mL, the required volume of a concentrated 950 ppm methylene blue solution required to…

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Q: The solubility in water of ionic compound X is measured and found to be 88.3 at 25. °C. Calculate…

A: Solubility of water in the ionic compound is 88.3 g/L. Mass of saturated solution is 10 g.

Q: Assuming 100% dissociation, 1.0 mol of NaBr dissolved in 250 g of water [ [ Select ] have the same…

A:

Q: Average Molarity of Cl: 1/1oui Calculated ppm of CF: mg/L. (multiply the above average molarity by…

A: Ppm of Cl- can be calculated using the given formula .

Q: What are the mole fraction and the mass percent of a solution made by dissolving 9.19 g of KI in…

A: Mole fraction of KI = no. of moles of KI/total moles  Number of moles = mass/molar mass

Q: what is the concentration of solution in: c = 12 h = 1 o = 16. % by mass?

A: In the calculation of percentage of mass of concentration both the solute and solvent are to be…

Q: Q3/ 1 gm of Sodium Carbonate was dissolved in o.5L distill water. what are the molarity * ?and…

A: 1. We have to find out Molarity of the solution.         Given : 1 gm of Na2CO3…

Q: A concentrated phosphoric acid solution is 85.5% H3PO4 by mass and has a density of 1.69 g/mL at…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: What is the osmotic pressure in torr of a 0.0178 M glucose solution at body temperature (37 °C)?…

A: Given:  Concentration of glucose solution = 0.0178 M  Temperature = 37 °C = 310 K

Q: No. of grams of 500 ml solution of 2000 ppm NaCl is 1000 2,

A: Given that  Concentration of NaCl solution = 2000ppm Volume of solution = 500mL = (500mL×1L/1000mL)…

Q: When 116. mg of a certain molecular compound X are dissolved in 60.0 g of cyclohexane C6H12, the…

A:

Q: A 15.00 % by mass solution of lactose (C12H22011, 342.30 g/mol) in water has a density of 1.0602…

A:

Q: If 0.500 mol of a nonelectrolyte solute are dissolved in 500.0 g of ether, what is the freezing…

A: Given, moles of non electrolyte=0.5 mol weight of ether=500 g therefore, molality of solution moles…

Q: How many milliliters of a 0.442 M caffeine solution are required to deliver 2.17x10-3 mol of…

A: Concentration is expressed in different ways – Molarity Molality Normality Moles fraction Mass…

Q: Exactly 8.20 g of naphthalene (MW = 128.17 g/mol) is dissolved in 200 grams of a certain nonpolar…

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Q: Kaochlor, a 10%(m/v) KCL solution, is an oral electrolyte supplement administered for potassium…

A: The concentration of the KCl solution is given to be 10%(w/v)Here the term 10%(w/v) clearly…

Q: Calculate the number of moles and mass of CuSO4·5H2O(s) required to prepare 100.0 mL of 0.100 M…

A: Calculate the number of moles of CuSO4·5H2O: 1 mL = 0.001 L Hence, the number of moles of…

Q: 1 L of household bleach available, a. How much volume of 1:10 house hold bleach solution will you be…

A: (A). The quantity of household bleach solution is 1 liter. We can produce 10 liters house hold…

Q: 3 g of sugar and 100. mL of water what is w/w% assume solution density of 1.0 g/mL

A: Mass of solute = 3 g Volume of water = 100 ml Density of water = 1 g/ml Mass of solution = Mass of…

Q: 3. Ifthe freezing point of the solution had been incorrectly read 0.30C higher than the true…

A: The change in freezing point is computed by applying the ratio of mass of the solute to the mass of…

Q: What is the molarity of a 2.5 liter solution contoining 3.02 moles of NaC? Report your answer with 3…

A: The answer of following question is given below.

Q: 2) A solution of HESO4 containing 50% H2S04 by mass has a density of 1.40g/mL Express its oncentra…

A: A numerical problem based on concentration terms, which is to be accomplished.

Q: Calculate the parts per million (PPM) for 56 mg of total dissolved solids in 0.530 kg of solution.…

A: Answer is 105.7ppm

Q: A solution is prepared by dissolving 10g of glucose in enough water to make 500mL of solution .…

A: Given,  A solution is prepared by dissolving 10g of glucose in enough water to make 500mL of…

Q: 12.58 grams potassium hydroxide dissolved in 100 mL ethanol. What is the molality and (%w/w)?

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Q: Assuming 100% ionized in solution, what would be the calculated freezing point of 0.10 m solutions…

A: The number of Ions increase calculated freezing point will increase to the actual freezing point…

Q: The normal boiling point of a certain liquid X is 140.50 °C, but when 32.3 g of alanine (C,H,NO,)…

A: given mass of alanine = 32.3 g boiling point of solution = 141.7°C boiling point of pure solvent =…

Q: Assuming 100% dissociation, 1.0 mol of NaBr dissolved in 250 g of water [ Select] have the same…

A:

Q: What is the molarity of a solution of ammonium chloride (MM = 53.5) consisting of 1.55g of ammonium…

A: mass of ammonium chloride = 1.55gMolar mass of Ammonium chloride = 53.5 g/moleNo of moles of…

Q: What is the osmotic pressure in torr of a 0.0140 M glucose solution at body temperature (37 °C)?…

A:

Q: a. Assuming complete dissociation of the soluble salts, which solutions would have the same boiling…

A: To solve this problem we will calculate ∆Tb for all solution by using  ∆Tb = i Kb m  Where  ∆Tb  =…

Q: How many grams of ethylene glycol (C2H6O2) are needed to mix with 5.00 kg of water to prepare a 3.50…

A: Given: Mass of water = 5Kg Molality of solution = 3.50m Molar mass of ethylene glycol (C2H6O2) ,…

Q: im confused on how to do this problem can you do a step by step for me? calculate the volumn…

A: Given solutions,    A solution made by adding 28.5 mL of methyl alcohol (i.e. solute) to enough…

Q: What is the freezing point depression of a 1.50 m solution of sucrose in water? No need to include…

A: Given :- molality of sucrose solution = 1.50 m  To be calculated :- freezing point depression

Q: How to solve for freezing point depression given 10.3 g of glucose dissolved in 250 g

A: Given, Mass of glucose = 10.3 g Mass of water = 250 g Kf = 1.86 oC/m (from literature available on…

Q: CuSO4•5H2O Percent water in the hydrated salt?

A: The given hydrated salt : CuSO4.5H2O Molecular mass of Cu = 63.55 a.m.u Molecular mass of S = 32.06…

Q: What is the osmotic pressure (in torr) of a solution formed by dissolving 33.9 mg of fructose…

A: Given data is as follows: The mass of the fructose = 33.9 mg = 0.0339 g The volume of the solution =…

Q: What mass of urea (NH2)2CO2. a non electrolyte, must be dissolved in 150 g of water to give a…

A: Depression in freezing point of solvent on adding solute is equal to the product of molal freezing…