What weight of CuSO4.5H20 must be taken to make 0.5 lt. of 0.01 M Cu2+ ions.
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Explanation:
Answer ⇒ The mass of CuSO₄.5H₂O required to make its 0.5 moles is 124.75 g.
Question is little incomplete. Let me complete it.
What weight of CuSO₄.5H₂O must be taken to make 0.5 moles?
Explanation ⇒
Molar mass of Copper sulphate crystals = 63.5 + 32 + 16 × 4 + 5 × 18
= 95.5 + 64 + 90
= 249.5 g/mole.
Now, Using the formula,
No. of moles = mass/molar mass
∴ 0.5 = mass/249.5
∴ mass = 249.5 × 0.5
∴ mass = 124.75 g.
Hence, the mass of CuSO₄.5H₂O required to make its 0.5 moles is 124.75 g.
Hope it helps.
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