October 2023 1 34 Report
Sebanyak 3 mol kalsium sianida (CaCN2) dan 3 mol air bereaksi sempurna menurut persamaan reaksi: CaCN2(s) + 3 H2O(l) → CaCO3 (s)+2NH3(g)
(Ar Ca=40 , C=12 , N=14 , O=16H=1) Massa CaCO3 yang terbentuk adalah....
A. 60
B. 70
C. 80
D. 90
E. 100​

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