How much copper is present in 50 g of CuSO4?

Question

How much copper is present in 50 g of CuSO4? (A) 19.90 g (B) 39.81 g (C) 63.5 g (D) 31.71 g

Tardigrade Admin · Accepted Answer

Molar mass of CuSO4 = 63.5 + 32 + 4 × 16 = 159.5 g Mass of copper present in 159.5 g of CuSO4 = 63.5 g ∴ Mass of copper present in 50 g of CuSO4 =(63.5/159.5) × 50 = 19.90 g

Q. How much copper is present in $50 g$ of $C u S O_{4}$ ?

$19.90 g$

$39.81 g$

$63.5 g$

$31.71 g$

Molar mass of $C u S O_{4} = 63.5 + 32 + 4 \times 16$
$= 159.5 g$
Mass of copper present in $159.5 g$ of $C u S O_{4} = 63.5 g$
$∴$ Mass of copper present in $50 g$ of $C u S O_{4}$
$= \frac{63.5}{159.5} \times 50 = 19.90 g$

Q. How much copper is present in 50g of CuSO4​?

19.90g

39.81g

63.5g

31.71g