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a) A 400 mL solution contains 0.138 g NaCl. Calculate the ppm concentration of NaCl. b) 32.0 g of concentrated solution that contains 57% w/w H₂SO, was diluted with water to 250 mL. Calculate. i. The %w/v concentration of H₂SO, in the diluted solution. ii. The molarity of H₂SO, in the diluted solution. c) Describe the preparation of 500 mL 0.25 M HNO, from 6.0 M HNO,

a) A 400 mL solution contains 0.138 g NaCl. Calculate the ppm concentration of NaCl. b) 32.0 g of concentrated solution that contains 57% w/w H₂SO, was diluted with water to 250 mL. Calculate. i. The %w/v concentration of H₂SO, in the diluted solution. ii. The molarity of H₂SO, in the diluted solution. c) Describe the preparation of 500 mL 0.25 M HNO, from 6.0 M HNO,

Introductory Chemistry For Today
Introductory Chemistry For Today
8th Edition
ISBN:9781285644561
Author:Seager
Publisher:Seager
Chapter7: Solutions And Colloids
Section: Chapter Questions
Problem 7.38E
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Basic Analytical Chemistry - Introduction to Analytical Chemistry
QUESTION 1 a) A 400 mL solution contains 0.138 g NaCl. Calculate the ppm concentration of NaCl. b) 32.0 g of concentrated solution that contains 57% w/w H₂SO, was diluted with water to 250 mL. Calculate. i. The %w/v concentration of H₂SO. in the diluted solution. ii. The molarity of H₂SO, in the diluted solution. c) Describe the preparation of 500 mL 0.25 M HNO, from 6.0 M HNO, (Relative atomic mass (RAM) = H: 1, CI: 35.5, O: 16, K: 39, Cr: 52, Na: 23, S: 32, N: 14)
Transcribed Image Text:QUESTION 1 a) A 400 mL solution contains 0.138 g NaCl. Calculate the ppm concentration of NaCl. b) 32.0 g of concentrated solution that contains 57% w/w H₂SO, was diluted with water to 250 mL. Calculate. i. The %w/v concentration of H₂SO. in the diluted solution. ii. The molarity of H₂SO, in the diluted solution. c) Describe the preparation of 500 mL 0.25 M HNO, from 6.0 M HNO, (Relative atomic mass (RAM) = H: 1, CI: 35.5, O: 16, K: 39, Cr: 52, Na: 23, S: 32, N: 14)
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