Science, asked by namanp638, 6 months ago

pls tell ans guys
pls pls pls

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Answered by eashanmorajkar2006

1

Answer:

A) 28 grams of helium answer ii) 7 mole.

B) 0.5 Mole of oxygen iv) 16 grams.

C) Molecular mass of common salt I) 58.54

D) 1.5 mole of calcium iii) 60 grams.

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