Question

Chemistry work........the volume of oxygen measured at stp will br produced on heating 24.5grams of potassium trioxochlorate(v)
Ms. Sue
Your School SUBJECT seems to be CHEMISTRY.
2KClO3 ==> 2KCl + 3O2

mols KClO3 = grams/molar mass = ?
Using the coefficients in the balanced equation, convert mols KClO3 to mols O2.
Then mols O2 x 22.4L = L O2 at STP
Kclo3----------- 2lcl+302

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