abdimalik3 abdimalik3

01-02-2021
Chemistry

contestada

balance this equation: Al+ HNO3 ---- H2 + Al(NO3)3

Respuesta :

santashelperkim santashelperkim

01-02-2021

Answer:

2Al+ 6HNO3 ---- 3H2 + 2Al(NO3)3

Explanation:

Put coefficient a,b,c, and d for calculation:

a Al + b HNO3 = c H2 + d Al(NO3)3

for Al: a = d

for H: b = 2c

for N: b = 3d

for O: 3b = 9d

Suppose a=1, then d=1, b=3, c=3/2

multiply 2 to make all natural number, a=2, then b=6, c=3, d=2

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