都督的小事
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共回答了20个问题采纳率：80% 举报
n(HCl) = 67.2L/(22.4L·mol-1) = 3mol
m(HCl) =3mol*36.5g/mol = 109.5g
m(H2O)= 440ml*1g/ml = 440g
m(溶液)= m(HCl)+m(H2O)= 109.5g+440g=549.5g
V(溶液)= m(溶液)/密度 = 549.5g/(1.1g/㎝3) = 500 mL = 0.5L
c(HCl)= n(HCl)/V(溶液)= 3mol/0.5L =6mol/L
1年前
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