The M$_{\text{r}}$ of hydrated copper sulfate (CuSO$_4$.5H$_2$O) is 249.6.
Which of the following is the mass of hydrated copper sulfate required to make 50.0 cm$^3$ of a 0.400 mol dm$^{−3}$ solution?
1 )
3.19 g
2 )
3.55 g
3 )
3.71 g
4.99 g
تحلیل ویدئویی تست
منتظریم اولین نفر تحلیلش کنه!