量取10ml98%的浓H2SO4慢慢注入10ml水中混合均匀得约64%的H2SO4,
10mL98%的浓H2SO4密度为1.84g/mL,质量为10mL*1.84g/mL=18.4g
含硫酸18.4g*98% 10ml水为10g
质量分数 18.4g*98%/(18.4g+10g)=63.5%
量取10ml98%的浓H2SO4慢慢注入10ml水中混合均匀得约64%的H2SO4,
10mL98%的浓H2SO4密度为1.84g/mL,质量为10mL*1.84g/mL=18.4g
含硫酸18.4g*98% 10ml水为10g
质量分数 18.4g*98%/(18.4g+10g)=63.5%