Asked by Kristi
What is the mass percent of NaCl in a solution obtained by mixing 50g of this solution with 215g of H20?
Answers
Answered by
DrBob222
What's the concn to begin with?
current% x (50/265) = ??
current% x (50/265) = ??
Answered by
Kristi
do you then multiply that answer by 100?
Answered by
DrBob222
If you start with percent x (50/265) the answer is already in percent.
If you converted to a fraction first so the solution is
(%/100) x (50/265), yes, multiply that by 100.
If you converted to a fraction first so the solution is
(%/100) x (50/265), yes, multiply that by 100.
Answered by
Kristi
Thank you!
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