Question 70 of 99

Na2CO3 can be manufactured by Solvay's process but K2CO3 cannot be prepared because

(1) K2CO3 is more soluble

(2) K2CO3 is less soluble

(3) KHCO3 is more soluble than NaHCO3

(4) KHCO3 is less soluble than NaHCO3