concentration of the solution. (c) the mass in grams of NiCl2 contained in each literO. A 12.5% (w/w) NiCl2 (129.6l g/mol) solution has a density of 1.149 g/mL.Caleulate(a) the molar concentration of NiCl, in this solution. (b) the molar CIoncentration of the solution. (c) the mass in grams of NiCl, contained in each literof this solution.10- Describe the preparation of (a) 2.50 L of 21.0% (w/v) aqueous glycerol(C.HO: (92.1 g/mol). (b) 2.50 kg of 21.0% (w/w) aqueous glycerol. (c) 2.50 L of21.0% (v/v) aqueous glycerol.U- Describe the preparation of 900 mL of 3.00 M HNO, from the commercialreagent that is 70.5% HNO, (w/w) and has a specific gravity of 1.42.12- A solution containing 10.0 mmol CaCl, is diluted to 1 L. Calculate the numberof grams of CaCl2. 2H2O per milliliter of the final solution.13- Calculate the grams of each substance required to prepare the followingsolutions: (a) 250mL of 0.100 M KOH, (b) 1.00 L of 0.0275 M K;Cr,O, (c)500ml of 0.0500 M CUSO4.38 0% (wt/wt)

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Q. A 12.5% (w/w) NICI2 (129.6l g/mol) solution has a density of 1.149 g/mL. Calgulate(a) the molar concentration of NiCl, in this solution. (b) the molar CI concentration of the solution. (c) the mass in grams of NiCl, contained in each liter of this solution. 2.50 I 21.09% (..

Q. A 12.5% (w/w) NICI2 (129.6l g/mol) solution has a density of 1.149 g/mL. Calgulate(a) the molar concentration of NiCl, in this solution. (b) the molar CI concentration of the solution. (c) the mass in grams of NiCl, contained in each liter of this solution. 2.50 I 21.09% (..

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter15: Solutions

Section: Chapter Questions

Problem 38CR

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Concept explainers

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.

Question

concentration of the solution. (c) the mass in grams of NiCl2 contained in each liter
O. A 12.5% (w/w) NiCl2 (129.6l g/mol) solution has a density of 1.149 g/mL.
Caleulate(a) the molar concentration of NiCl, in this solution. (b) the molar CI
oncentration of the solution. (c) the mass in grams of NiCl, contained in each liter
of this solution.
10- Describe the preparation of (a) 2.50 L of 21.0% (w/v) aqueous glycerol
(C.HO: (92.1 g/mol). (b) 2.50 kg of 21.0% (w/w) aqueous glycerol. (c) 2.50 L of
21.0% (v/v) aqueous glycerol.
U- Describe the preparation of 900 mL of 3.00 M HNO, from the commercial
reagent that is 70.5% HNO, (w/w) and has a specific gravity of 1.42.
12- A solution containing 10.0 mmol CaCl, is diluted to 1 L. Calculate the number
of grams of CaCl2. 2H2O per milliliter of the final solution.
13- Calculate the grams of each substance required to prepare the following
solutions: (a) 250mL of 0.100 M KOH, (b) 1.00 L of 0.0275 M K;Cr,O, (c)
500ml of 0.0500 M CUSO4.
38 0% (wt/wt)

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