Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Chemistry Some Basic Concepts of Chemistry Mole Concept

जब 20 g, CaCO₃ को 20 g, HCl के साथ अभिकृत किया जाता है, तो बनने वाले CO₂ का द्रव्यमान _______ होगा।

1

10 g

2

8.8 g

3

22.2 g

4

20 g

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