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【单选题】
每100 mL 人体血浆中平均含 K + 18.0mg 和 Cl - 365 mg 。已知 M (K + )= 39.1 g/mol , M (Cl - ) = 35.5 g/mol 。血浆的密度为 1.0 g /mL 。则血浆中 K + 和 Cl - 的浓度为
A.
1.80 × 10 -1 和 3.65 mol/L
B.
7.04 × 10 -3 和 1.30 × 10 -1 mol/L
C.
4.60 × 10 -3 和 1.03 × 10 -1 mol/L
D.
4.60 × 10 -6 和 1.03 × 10 -4 mol/L
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