An aqueous solution of ammonium sulfate, (NH₂)2SO4, contains 2.04 grams of ammoni sulfate and 17.7 grams of water. What is the weight/weight percent of ammonium sulfate in the solution? Weight/weight percent= 96

Q: A geologist discovers a magnesium carbonate hydroxide hydrated salt with the chemical formula…

A: To calculate the number of water of hydration are present in the original hydrated salt.

Q: Dimethyl sulfoxide, C2H6SO, is a compound which is used in some countries to carry drugs through the…

A:

Q: A student needs to prepare 50.0 mL of a 0.90 M aqueous H2O2 solution. Calculate the volume of 5.0 M…

A: Given : Concentration of stock H2O2 solution = 5.0 M Concentration of final H2O2 solution = 0.90 M…

Q: What is the mass % of ethylene glycol in a 2.61 M solution of ethylene glycol (MM = 62.07 g/mol) in…

A:

Q: What is the concentration in molarity of an aqueous solution which contains 13.81% by mass propylene…

A: Given: The concentration of propylene glycol by mass = 13.81%. The density of the solution, (d) =…

Q: Calculate the analytical molar concentrations of trichloroacetic acid in an aqueous solution that…

A: Given: Mass of trichloroacetic acid (Cl3CCOOH), m=152.9 mg=152.9 mg×1 g1000 mg=0.1599 g The molar…

Q: Calculate the molarity of each solutio. Express your answer using three significant figures.

A: Step : 1               Calculate the molarity of each solution.

Q: What is the mass % of ethylene glycol in a 1.85 M solution of ethylene glycol (MM = 62.07 g/mol) in…

A: Given : Molarity of ethylene glycol = 1.85 M And density of solution = 1.07 g/mL

Q: Determine the mass of Ferrous ammonium sulphate ((NH4)2.Fe(SO4)2.6H2O) required to prepare 20 ppm…

A: For Ferrous Ammonium sulphate, Volume, V = 100 mL = 0.1L Concentration, C = 20 ppm Mass, m = ?

Q: What mass of a concentrated solution of nitric acid (68.0% HNO3 by mass) is needed to prepare 400.0…

A: Given: Initial mass percentage of nitric acid = 68.0%Final mass percentage of nitric acid =…

Q: What is the concentration in the molarity of an aqueous solution which contains 18.01% by mass…

A: Molarity = moles of ethylene glycolvolume of the solution, L Basis : Let the mass of the solution be…

Q: Ethylene glycol is the primary component in antifreeze. How many grams of ethylene glycol…

A: Volume of solution = 163 mL  Volume of solution in L = 0.163 L  Molarity of solution = 3.108 M  We…

Q: What is the mass % of ethylene glycol in a 1.77 M solution of ethylene glycol (MM = 62.07 g/mol) in…

A: Consider one liter of 1.77 M ethylene glycol solution. The mass of solution (Msol) is calculated…

Q: The density of solution prepared by dissolving 120 g of sucrose (molar mass= 342 g/mol) in 1000g of…

A:

Q: 55.  Calculate the molarity of each of the following solutions: (a) 0.195 g of cholesterol,…

A: (a)Given data: 0.195 g of C27H46O in 0.100 LMolecular weight of C27H46O =386.65 g/mol

Q: molarity and normality

A:

Q: What is the percent by mass of a solution made by dissolving 55.0 g RbCl in 345 g water?    What is…

A:

Q: What is the mass % of acetonitrile in a 2.17 M solution of acetonitrile (MM = 41.05 g/mol) in water?…

A: The mass percentage of  acetonitrile can be calculated by using Following formula - Molarity=mass %…

Q: You are given a solution of chlorophyll that contains 132mg chlorophyll (a chemical formula of…

A: Molarity of chlorophyll solution can be calculated as follows

Q: A chemist wishes to prepare 1250 mL of a 1.34 M aqueous solution of sodium hydroxide, NaOH (40.0…

A:

Q: What mass of sodium hydroxide (NaOH, molar mass = 40.0 g∙mol–1) is needed to make 100.0 mL of a…

A:

Q: what is the mass % of isopropanol in a 2.53 M solution of isopropanol (MM=60.10 g/mol) in water? The…

A: The term mass percentage is a method to represent the concentration of the elements in a given…

Q: What is the concentration in molarity of an aqueous solution which contains 26.41% by mass ethylene…

A: Molarity,M=4.42 mol/L

Q: How much oxalic acid dihydrate, in grams, is needed to prepare 678 mL of a 0.624 M solution? Oxalic…

A: Given,   Molarity = 0.624M Volume = 678mL.

Q: An aqueous solution of methanol (MM = 32.04 g/mol) has a molality of 1.44 m and a density of 1.15…

A:

Q: If 68.2 g of Al(NO3)3 is dissolved in 7.2 L of water solution. What is the % concentration of…

A: The concentration of the solution is expressed in various ways like molarity, morality, percentage…

Q: A 20.0 % by mass solution of phosphoric acid (H3PO4) in water has a density of 1.114 g/mL at 20°C.…

A: Given: The mass % of H3PO4 in the solution = 20 % The density of solution, (d) = 1.114 g/mL. The…

Q: What is the molarity of a solution prepared by dissolving 54.3 g of Ca(NO3)2 into 355ml of water?

A: Given :  Amount of Ca(NO3)2 = 54.3 g  Volume of water = 355 mL  To calculate :  Molarity of solution…