A sample of CaCO, has Ca=40%, C = 12% and O= 48% by mass. If the law of constant proportions

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August 2023 1 2 Report

A sample of CaCO, has Ca=40%, C = 12% and O= 48% by mass. If the law of constant proportions is true, then the mass of Ca in 5 g of CaCO, from another source will be: (A) 2 g (B) 0.2 g (C) 0.02 g (D) 20 g

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necey085

Answer:

a)2gram

Explanation:

firstly it is not geography it is chemistry.

so if we have 5 gram of CaCO,and 40% percent of is Ca,then we have to find 40% of 5 which is 2

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