Jawaban:
c. 4,12,4,6
Penjelasan:
a Al (s) + b HNO3 (aq) → c Al(NO3)3 (aq) + d H2 (g)
jumlah atomnya (belum setara)
Al = 1 Al = 1
H = 1 H = 2
N = 1 N = 3
O = 3 O = 9 (3 × 3)
4 Al (s) + 12 HNO3 (aq) → 4 Al(NO3)3 (aq) + 6 H2 (g)
jumlah atomnya (setara)
Al = 4 Al = 4
H = 12 H = 12 (2 × 6)
N = 12. N = 12 (3 × 4)
O = 36 (3 × 12) O = 36 (3 × 3 × 4)
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Jawaban:
c. 4,12,4,6
Penjelasan:
a Al (s) + b HNO3 (aq) → c Al(NO3)3 (aq) + d H2 (g)
jumlah atomnya (belum setara)
Al = 1 Al = 1
H = 1 H = 2
N = 1 N = 3
O = 3 O = 9 (3 × 3)
4 Al (s) + 12 HNO3 (aq) → 4 Al(NO3)3 (aq) + 6 H2 (g)
jumlah atomnya (setara)
Al = 4 Al = 4
H = 12 H = 12 (2 × 6)
N = 12. N = 12 (3 × 4)
O = 36 (3 × 12) O = 36 (3 × 3 × 4)
Jadi, jawabannya adalah C.