A.1.2% B.0.83% C.12% D.8.3%
A.750g B.700g C.375g D.116g
A.質(zhì)量百分濃度(%)=溶質(zhì)質(zhì)量/溶液質(zhì)量×100% B.質(zhì)量百分濃度(%)=溶質(zhì)質(zhì)量/溶液質(zhì)量 C.質(zhì)量百分濃度(%)=溶液質(zhì)量/溶質(zhì)質(zhì)量×100% D.質(zhì)量百分濃度(%)=溶質(zhì)質(zhì)量×100%