1.生成水9g
2.百分比为36%
3.x=5
m硫酸铜晶体=45.5-20.5=25g
m无水硫酸铜=36.5-20.5=16g
即H2O的质量为:25g-16g=9g
(9/25)%=36%
CuSO4 + xH2O = CuSO4·xH2O
160 18x
16g 9g
160/16g=18x/9g
x= 5
望采纳!
1.生成水9g
2.百分比为36%
3.x=5
m硫酸铜晶体=45.5-20.5=25g
m无水硫酸铜=36.5-20.5=16g
即H2O的质量为:25g-16g=9g
(9/25)%=36%
CuSO4 + xH2O = CuSO4·xH2O
160 18x
16g 9g
160/16g=18x/9g
x= 5
望采纳!