Question

hno2+h2s=no2+h2os balance it​

Answer 1

$21212 \: \: is \: \: the \: \: short \: \: code \\ the \: \: equation \: \: is \\ 2hno 2\: \: + \: \: h2s \: \: \\ = \: \: 2no2 \: \: + \: \: 2 h2o \: \: + \: \: s$
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