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A sample of CaCO3 and MgCO3 weighed 2.21...

A sample of `CaCO_3` and `MgCO_3` weighed 2.21 g is ignited to constant weight of 1.152 g. What is the composition of mixture ? Also calculale the volume of `CO_2` evolved at `0^@C` and 76 cm of pressure.

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To solve the problem step by step, we will follow a systematic approach to find the composition of the mixture of calcium carbonate (CaCO₃) and magnesium carbonate (MgCO₃) and then calculate the volume of CO₂ evolved. ### Step 1: Define Variables Let: - \( x \) = weight of CaCO₃ in grams - \( 2.21 - x \) = weight of MgCO₃ in grams ### Step 2: Write the Decomposition Reactions ...
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