How much Cao will be produced by decomposition of 50g CaCO3.​

28 g of CaO

Explanation:

We'll begin by writing the balanced equation for the reaction. This is illustrated:

CaCO₃ —> CaO + CO₂

Next, we shall determine the mass of CaCO₃ that decomposed and the mass of CaO produced from the balanced equation. This can be obtained as follow:

Molar mass of CaCO₃ = 40 + 12 + (16×3)

= 40 + 12 + 48

= 100 g/mol

Mass of CaCO₃ from the balanced equation = 1 × 100 = 100 g

Molar mass of CaO = 40 + 16

= 56 g/mol

Mass of CaO from the balanced equation = 1 × 56 = 56 g

SUMMARY:

From the balanced equation above,

100 g of CaCO₃ decomposed to produce 56 g of CaO.

Finally, we shall determine the mass of CaO that will be obtained by the decomposition of 50 g of CaCO₃. This can be obtained as follow:

From the balanced equation above,

100 g of CaCO₃ decomposed to produce 56 g of CaO.

Therefore, 50 g of CaCO₃ will decompose to produce = (50 × 56)/100 = 28 g of CaO.

Thus, 28 g of CaO were obtained from the reaction.

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