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问题: 化学

解答:

c=n/V(aq)
∵n=V/22.4 mol
V(aq)=m/ρ
=(n·M+100cm^3·1g/cm^3)/ρ
=(VM/22.4+100)/d mL
=(VM/22.4+100)/d·10^-3 L
∴c=1000Vd/[22.4(VM/22.4+100)] mol/L
=1000Vd/(VM+2240) mol/L