Answer: 138g/mol
Explanation:
K2CO3 is the chemical formula for potassium trioxocarbonate
For molar mass of K2CO3, use the molar masses:
Potassium, K = 39g;
Carbon, C = 12g;
Oxygen, O = 16g
K2CO3 = [(39g x 2) + 12g + (16g x 3)]
= 78g + 12g + 48g
= 138g/mol
Thus, the molar mass of K2CO3 is 138g/mol
