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13-03-2024
Chemistry

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How many grams of sodium hydrogen carbonate decompose to give 21.5 mL of carbon dioxide gas at STP?
2NaHCO(₃)(s) → ΔNa(₂)CO(₃)(s) + H(₂)O(l) + CO(₂)(g)
A) 4.42 g
B) 2.96 g
C) 6.61 g
D) 1.48 g

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