Tentukan masa dari 2 mol CO(NH2)2 (Ar C = 12; O = 16; N = 14; H = 1) pakai caranya yaa

M = n x Mm
m = 2 x (12 + 16 + 2(14 + 2.1))
m = 2 x (12 + 16 + 2(14 + 2))
m = 2 x (28 + 2(16))
m = 2 x (28 + 32)
m = 2 x 60
m = 120 gram

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