Asked by Henshaw Michael
calculate the volume of oxygen at 15 degree Celsius and 745mmHg pressure. which could be obtained by heating 10g of potassium trioxochlorate(v)
Answers
Answered by
DrBob222
2KClO3 ==> 2KCl + 3O2
mols KClO3 = 10/molar mass KClO3 = ?
Use the coefficients in the balanced equation to convert mols KClO3 to mols O2. That's mols O2 at STP = ?mols KClO3 x 3 mols O2/2 mol KClO3 = ? mols KClO3 x 3/2 = ?
The use PV = nRT to convert mols O2 at STP to mols O2 at the conditions of the problem.
mols KClO3 = 10/molar mass KClO3 = ?
Use the coefficients in the balanced equation to convert mols KClO3 to mols O2. That's mols O2 at STP = ?mols KClO3 x 3 mols O2/2 mol KClO3 = ? mols KClO3 x 3/2 = ?
The use PV = nRT to convert mols O2 at STP to mols O2 at the conditions of the problem.
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