7. Nick and Lesley add 25 cm of hydrochloric acid to 1 g of calcium carbonate. They also add 25 cm of ethanoic acid to 1 g of calcium carbonate.
Both acids have the same concentration.
Carbon dioxide is made in both reactions.
i. Both acids make the same volume of carbon dioxide.
Explain why.
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What three things determine the shape and size of a puddle when water is poured out onto a surface

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