Asked by Max
potassium chlorate can be thermally decomposed to oxygen and potassium chloride. calculate the mass of potassium chlorate that must be decomposed by heat to produce 10.0L of oxygen gas at 150 degrees celsius and 150 kPa pressure
Answers
Answered by
DrBob222
2KClO3 ==> 2KCl + 3O2
You need how many mols O2? That's
n = PV/RT. Substitute and solve for n = mols O2.
Using the coefficients in the balanced equation, convert mols O2 needed to mols KClO3.
Convert mols KClO3 to g KClO3 needed. That's grams = mols x molar mass = ?
You need how many mols O2? That's
n = PV/RT. Substitute and solve for n = mols O2.
Using the coefficients in the balanced equation, convert mols O2 needed to mols KClO3.
Convert mols KClO3 to g KClO3 needed. That's grams = mols x molar mass = ?
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