某硫酸溶液的质量浓度为0.00523g/ml,换算为物质的量浓度C(1/2H2SO4)是多少?
问题描述:
某硫酸溶液的质量浓度为0.00523g/ml,换算为物质的量浓度C(1/2H2SO4)是多少?
答
C(1/2H2SO4)=2C(H2SO4)
=2×(0.00523g/mL÷98g/mol ×1000mL/L)
=0.107mol /L