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we combined baking soda with vinegar, according to the chemical equation
NaHCO3 + CH3COOH ==== NaCH3COO + CO2 + H2O

Consider 3 experiments: (i) 2g baking soda + 5mL vinegar, (ii) 2g baking soda + 10mL vinegar and (iii) 2g baking soda + 20mL vinegar. The amount of CO2 produced was highest for (iii) and lowest for (i). For these experiments, which of the following is true?

1). Vinegar ran out first

2). Baking soda ran out first

3). They both ran out at the same time

4). Neither ran out



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