已知某盐酸标准滴定溶液的滴定度是T(HCl)=0.004347g/mol.试计算相当于氢氧化钠和氧化钙两个的滴定度.
2个回答

首先,滴定度的表示有两种,一种是T(X)型,一种T(X/Y)型;

T(HCl)=0.004347g/mol,应该是T(HCl)=0.004347g/ml,即相当于每毫升盐酸溶液中含有HCl 0.004347g;

则:

(1)HCl+NaOH=NaCl+H2O

1:1反应,T(HCl/NaOH)=0.004347g/mol÷36.46 g/mol×40.00g/mol=0.004769g/ml

(2) 2HCl+CaO=CaCl+H2O

1:2反应,T(HCl/CaO)=1/2×0.004347g/mol÷36.46 g/mol×56.08g/mol=0.003343g/ml