Join ExamsbookAnswer : 2. "138"
What is the gram formula mass of K2CO3?5
Q: What is the gram formula mass of K2CO3?
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Answer : 2. "138"
Explanation :
Answer: B) 138 Explanation: The gram formula mass of a compound is nothing but the molar mass. The molar mass of K2CO3 (Potassium Carbonate) is given by Atomic weights of individual elements are K (Potassium) = 39 g C (Carbon) = 12 g O (Oxygen) = 16 g Hence, that of K2CO3 = 39(2) + 12 + 16(3) = 78 + 12 + 48 = 138.