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moles HCl used = 3M X 15.5 mL / 1000 =>

moles = 0.0465

When reacting with a carbonate the molar ratios are

2:1 :: 1:1:1

So 0,0465 moles is equivalent to 2 molar ratios.

Hence 1 molar ratios is 0.0465 / 2 = 0.02325 moles produced.

NB However, you have NOT indicated the other reactnat. Since the product is carbon dioxide, then it is assumed that the other reactant is a carbonate.

Hence the balanced reaction eq'n is

2HCl + (1)Carbonate = (1)Salt + (1)Water + (1)Carbon dioxide.

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lenpollock

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