單項(xiàng)選擇題

溶液百分比濃度的計(jì)算公式為()。

A.溶質(zhì)質(zhì)量/(溶質(zhì)質(zhì)量+溶劑質(zhì)量)×100%
B.溶劑質(zhì)量/(溶質(zhì)質(zhì)量+溶劑質(zhì)量)×100%
C.溶質(zhì)質(zhì)量/溶劑質(zhì)量×100%
D.溶劑質(zhì)量/溶質(zhì)質(zhì)量×100%

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