Question

（追加）下表是硫酸溶液的密度p和溶液中溶质的质量分数的对照表,查表计算下列各题.

Answer 1

(1)1.84g*98%

(2)设需要60%硫酸V ml,水m g

450g*20%=V*1.50g/cm^3*60%

m=450g-V*1.50g/cm^3