Answer
K2CO3
Work Step by Step
0.104 mole K, 0.052 mole C, 0.156 mole O
To find the ratio we take the smallest number (0.052) and divide each by it
0.104/0.052 = 2
0.052/0.052 = 1
0.156/0.052 = 3
The ratio is then 2:1:3 so we have
K2CO3