Question

by decomposition of 50 grams CaCO3 the amount of CaO producad will be what​

Answer 1

Answer:

14g of CaO is produced

Explanation:

Mass of atoms of elements :

Ca =40u

C = 12u

O= 16u

CaCO3 = 40 +12+16(3) =100g = 1mole

Given 25g = 25/100 = 0.25 mole

CaCO3 ( on heating )---> CaO + CO2

CaO = 40 + 16 = 56g = 1 mole

For 0.25 moles CaO produced = 56×0.25 = 14g

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