Solution Q number 1 1 %7. |1.Assignment 1_Chem...->Assignment 1: Chemical Concentration(Moodle submission only)Q1: Calculate the mass needed to prepare 2.0L of 0.05MAgNO, (M. Mass 169.87g/mol) from its primary standard-grade solid material.Q2: Describe how 500mL of standard 0.01M Na solutioncan be prepared from primary standard Na,CO, (M. Mass105.99g/mol)Q3: How would you prepare 50.0 mL portions of standardsolution that are 0.005M, 0.002M, and 0.001M in Nafrom the solution in Q2 above.Q4: Describe how you would prepare 2.0L ofapproximate 0.25M HC1O, (M. Mass 100.46 g/mol) fromthe concentrated reagent, which has a specific gravity of1.67g/mL and contains 71% (w/w) HCIO,.

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Q1: Calculate the mass needed to prepare 2.0L of 0.05M AGNO, (M. Mass 169.87g/mol) from its primary standard- grade solid material.

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

ChapterA1: Evaluation Of Analytical Data

Section: Chapter Questions

Problem A1.22QAP

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Solution Q number 1

1 %7. |1.
Assignment 1_Chem...
->
Assignment 1: Chemical Concentration
(Moodle submission only)
Q1: Calculate the mass needed to prepare 2.0L of 0.05M
AgNO, (M. Mass 169.87g/mol) from its primary standard-
grade solid material.
Q2: Describe how 500mL of standard 0.01M Na solution
can be prepared from primary standard Na,CO, (M. Mass
105.99g/mol)
Q3: How would you prepare 50.0 mL portions of standard
solution that are 0.005M, 0.002M, and 0.001M in Na
from the solution in Q2 above.
Q4: Describe how you would prepare 2.0L of
approximate 0.25M HC1O, (M. Mass 100.46 g/mol) from
the concentrated reagent, which has a specific gravity of
1.67g/mL and contains 71% (w/w) HCIO,.

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