what is the mass of 0.2 moles of sodium carbonate
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Answer:
21.2 grams
Explanation:
Molar mass of Na is 23
Molar mass of carbon is 12
Molar mass of oxygen is 16
molar mass of NaCo3 = (23×2+12+16×3)
= 106
Weight per 1 mole is 106
so mass = Molar mass × 1 mole mass
= 0.2×106
= 21.2g
Tq
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