Question

0.42 gm MgCO3 and 0.5 gm CaCO3 are heated
strongly. What is the quantity left?
(1) 0.48 gm
(2) 0.80 gm
(3) 0.42 gm
(4) 0.28 gm​

Answer 1

Answer:

the answer is 0.47gm because

According to Dalton's concept of constant proportions in any chemical

reaction the initial mass (original mass before reaction) of the reactants will be left after reaction

Explanation:

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