Question 9

Potassium hydrogen carbonate decomposes according to the reaction below:
2 KHCO3(s)  →  K2CO3(s) + CO2(g) + H2O(l)
How many moles of potassium carbonate are produced if 421 g of potassium hydrogen carbonate is heated?


17.8 mol


211 mol


2.10 mol


4.21 mol


3.05 mol