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Question

Answer 1

Acetic acid = CH₃COOH

Baking soda is sodium bicarbonate, NaHCO₃.

NaHCO₃(aq) + CH₃COOH(aq) ==> CH₃COONa(aq) + H₂CO₃(aq) ==> H₂O(l) + CO₂(g)

moles NaHCO₃ used = 5 NaHCO₃ x 1 mol NaHCO₃/84 g = 0.0595 moles NaHCO₃

moles CO₂ produced = 00595 mol NaHCO₃ x 1 mol CO₂/mol NaHCO₃ = 0.0595 moles CO₂

At STP, 1 mol of an ideal gas = 22.4 L

Volume of CO₂ = 0.0595 moles x 22.4 L/mole = 1.33 L = 1 L (1 sig. fig.)