Answered: 2. What mass of NaCl is needed to…

2. What mass of NaCl is needed to prepare 30.0% by mass of 500g solution of NaCl? Solution: 30.0% by mass of NaCl means that there are 30.0 g NaCl per 100 g NaCl per 70.0g water.

Living By Chemistry: First Edition Textbook

1st Edition

ISBN:9781559539418

Author:Angelica Stacy

Publisher:Angelica Stacy

ChapterU4: Toxins: Stoichiometry, Solution Chemistry, And Acids And Bases

SectionU4.15: Holey Moley: Preparing Solutions

Problem 3E

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Question

2. What mass of NaCl is needed to prepare 30.0%
by mass of 500g solution of NaCl?
Solution: 30.0% by mass of NaCl means that
there are 30.0 g NaCl per 100 g NaCl per 70.0g
water.

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