$$ 7.00 \ text {mol(nh} _4)_2 \ text {s} \ times \ frac {8 \ text {mol h}}} {1 \ text {mol(nh} _4)_2 \ text {s}} =\ boxed {56 \ hh h}}} $ $$ $ $ {56 \ tex
$$ 7.00 \ text {mol(nh} _4)_2 \ text {s} \ times \ frac {8 \ text {mol h}}} {1 \ text {mol(nh} _4)_2 \ text {s}} =\ boxed {56 \ hh h}}} $ $$ $ $ {56 \ tex