Asked by sheeri
How many grams of caco3 will be formed by passing excess co2 gas through 100ml of 0.25M ca(H)2 solution?
Answers
Answered by
bobpursley
my experience is formate calcium will form (Ca(HCO2)2 ) will formin that reaction. So I will play along and try to get CaCO3 (s) instead.
Wondering if you meant Ca(OH)2 solution.....
Assuming you did mean that
Ca(OH)2 + CO2 >>>Ca(CO3) + H2O
so moles, it is one to one on Ca(OH)2 vs Ca(CO3)
moles Ca(OH)2: .1*.25=.025 moles, so you form .025 moles calcum carbonate, which in grams is .025*(100)=2,5 grams
check my calculations
Wondering if you meant Ca(OH)2 solution.....
Assuming you did mean that
Ca(OH)2 + CO2 >>>Ca(CO3) + H2O
so moles, it is one to one on Ca(OH)2 vs Ca(CO3)
moles Ca(OH)2: .1*.25=.025 moles, so you form .025 moles calcum carbonate, which in grams is .025*(100)=2,5 grams
check my calculations
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