Mathematics · Mole Concept

हीलियम (He) परमाणुओं के 20 u द्रव्यमान में उसके कितने मोल उपस्थित होते हैं?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

सही उत्तर देखें

8.303 × 10-24 मोल

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