You wish to prepare 250.0 mL of a 425.0 ppm w/v sodium (MW = 22.9897 g/mol) solution. How many grams of sodiumdichromate dihydrate (Na₂Cr₂O₁ · 2 H₂O, MW = 297.998 g/mol) are needed to prepare this solution? Assume the final solutionhas a density of 1.00 g/mL.7mass:0.729Incorrectg

Given:Volume of solution = 250 mLw/v concentration of Na = 425.0 ppmMolar mass of Na = 22.9897…

You wish to prepare 250.0 mL of a 425.0 ppm w/v sodium (MW= 22.9897 g/mol) solution. How many grams of sod lichromate dihydrate (Na₂Cr₂O, 2H₂O, MW = 297.998 g/mol) are needed to prepare this solution? Assume the fin has a density of 1.00 g/mL.

You wish to prepare 250.0 mL of a 425.0 ppm w/v sodium (MW= 22.9897 g/mol) solution. How many grams of sod lichromate dihydrate (Na₂Cr₂O, 2H₂O, MW = 297.998 g/mol) are needed to prepare this solution? Assume the fin has a density of 1.00 g/mL.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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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

You wish to prepare 250.0 mL of a 425.0 ppm w/v sodium (MW = 22.9897 g/mol) solution. How many grams of sodium
dichromate dihydrate (Na₂Cr₂O₁ · 2 H₂O, MW = 297.998 g/mol) are needed to prepare this solution? Assume the final solution
has a density of 1.00 g/mL.
7
mass:
0.729
Incorrect
g

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