Clay found in a lake at Bhopal contains 15% by mass moisture along wit – InterviewSolution

1.	Clay found in a lake at Bhopal contains 15% by mass moisture along with CaCO3 and non volatile SiO2. This on heating loses a part of its moisture, but CaCO3 is completely converted into CaO. The partially dried sample now contains 7.3% moisture and 51.5% SiO2. What is the mass percentage of CaCO3 in the original sample of clay approximately?
Answer» Clay found in a lake at Bhopal contains 15% by mass moisture along with $C a C O_{3}$ and non volatile $S i O_{2}$ . This on heating loses a part of its moisture, but $C a C O_{3}$ is completely converted into CaO. The partially dried sample now contains 7.3% moisture and 51.5% $S i O_{2}$ . What is the mass percentage of $C a C O_{3}$ in the original sample of clay approximately?

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