Question in picture, just maybe please no links my computer can't process them :(

Look at the reaction below: ca(hco3)2 --> caco3 + co2 + h2o first, balance the reaction. once balanced, use dimensional analysis or another method to find out how many moles of carbon dioxide will be produced if we start with 16.5 moles of calcium bicarbonate (calcium hydrogen carbonate). = mol of co2 number needs to be reported to three significant figures.

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

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