Which is the percent by mass of a solution made by dissolving 20.0g of NaCI into 180.0g of water?
A. 10.0%
B. 11.1%
C. 20.0%
D. 80.0%
Need explanation on how
to solved this
A. 10.0%
B. 11.1%
C. 20.0%
D. 80.0%
Need explanation on how
to solved this
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Explanation:
20g
180
20/180+20. ×100
20/200. ×100
1/10. ×100
=10%
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