Calculate the mass of marble required to obtain 280 ml
CO, at NTP by following reaction.
CaCO3 + 2HCI ->CaCl2+ H2O CO2
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Use the balanced equation to determine the mole ratios between CaCO3 and CaCl2 and between HCl and CaCl2 and between CaCO3 and HCl
Calcium carbonate and calcium chloride.
1 mol CaCO31 mol CaCl2 and 1 CaCl21 mol CaCO3
Hydrochloric acid and calcium chloride.
2 mol HCl1 CaCl2 and 1 mol CaCl22 HCl
Calcium carbonate and hydrochloric acid.
Determine the moles of each reactant by dividing the given masses by their molar masses.
28.0g CaCO3×1mol CaCO3100.1g CaCO3=0.280 mol CaCO3
=0.329
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