Question

1.84 g mixture of CaCO3, and MgCO3, was heated
to a constant weight till 0.96 g residue formed
% (by mass) of MgCO3, in sample was
(1) 45.66%
(2) 5434%
(3) 30%
(4) 70%​

Answer 1

Answer:

30%

Explanation:

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Answer 2

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