Question

What is the mass in gram of 0.25 mole of calcium carbonate​

Answer 1

Answer:

25g

Explanation:

Weight of 0.5 moles of CaCO3 = 1100×0. 5 = 50g.

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Answer 2

Answer:

25 g

The reaction is CaCO3 → CaO + CO₂.

One mole of calcium carbonate forms one mole of carbon dioxide.

At STP, 5.6 L of carbon dioxide corresponds to 0.25 moles.

They will be obtained from 0.25 moles of calcium carbonate.

Molar mass of CaCO3 = 100g

0.25 moles of calcium carbonate (molecular weight 100 g/mole) corresponds to 25 g.

Explanation:

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