用36%的浓盐酸配100ml0.1mol/L的HCL溶液,步骤?
问题描述:
用36%的浓盐酸配100ml0.1mol/L的HCL溶液,步骤?
答
36%的浓盐酸密度为1.19g/cm3
Mhcl=36.5g/mol
100ml*0.1mol/L=0.01mol m=0.01mol*36.5g/mol=0.365g=1.19g/cm3*V V=0.307ml
所以取0.307ml 36%的浓盐酸加水稀释到100ml就ok啦