Please solve this Procedure:(1) Preparation of NaCl Stock Solutiona. Prepare stock solution (1) by weighing the suitable amount of NaCl salt needed toprepare 100 mL of 1000 ppm Na+. Use unit cancellation method in calculating therequired mass of NaCl.b. Calculate and pipette out an appropriate volume from a stock solution (1) anddilute to prepare 100 mL of 100ppm Na+ (stock solution 2).c. Preparation of Calibration standardsCalibration standards are made by carrying out appropriate dilutions of the stocksolution. Concentrations of the calibration standards are selected based on the limitof detection of the instrument in use. However, they are often in the range of 0.5, 1,3, 5, 10, and 20 ppm for Na. 2.a) Calculate the actual Concentration of Stock Solution (1) in ppm Na+.b) Calculate the Volume of Stock Solution (1) needed to prepare 100 mL of stock solution(2).c) Calculate the actual Concentration Stock Solution (2) in ppm Na+.3. Calculate the Volume of Stock Solution (2) needed to prepare one of the StandardSolutions.

Since you have asked multiple questions, we will solve first question (question-2) for you. For…

2.a) Calculate the actual Concentration of Stock Solution (1) in ppm Na+. b) Calculate the Volume of Stock Solution (1) needed to prepare 100 mL of stock solution (2). c) Calculate the actual Concentration of Stock Solution (2) in ppm Na+.

2.a) Calculate the actual Concentration of Stock Solution (1) in ppm Na+. b) Calculate the Volume of Stock Solution (1) needed to prepare 100 mL of stock solution (2). c) Calculate the actual Concentration of Stock Solution (2) in ppm Na+.

Introductory Chemistry For Today

8th Edition

ISBN:9781285644561

Author:Seager

Publisher:Seager

Chapter7: Solutions And Colloids

Section: Chapter Questions

Problem 7.107E

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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

Please solve this

Procedure:
(1) Preparation of NaCl Stock Solution
a. Prepare stock solution (1) by weighing the suitable amount of NaCl salt needed to
prepare 100 mL of 1000 ppm Na+. Use unit cancellation method in calculating the
required mass of NaCl.
b. Calculate and pipette out an appropriate volume from a stock solution (1) and
dilute to prepare 100 mL of 100ppm Na+ (stock solution 2).
c. Preparation of Calibration standards
Calibration standards are made by carrying out appropriate dilutions of the stock
solution. Concentrations of the calibration standards are selected based on the limit
of detection of the instrument in use. However, they are often in the range of 0.5, 1,
3, 5, 10, and 20 ppm for Na.

2.a) Calculate the actual Concentration of Stock Solution (1) in ppm Na+.
b) Calculate the Volume of Stock Solution (1) needed to prepare 100 mL of stock solution
(2).
c) Calculate the actual Concentration Stock Solution (2) in ppm Na+.
3. Calculate the Volume of Stock Solution (2) needed to prepare one of the Standard
Solutions.

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