There is 1.0 mole of phosphorous acid,
H3PO3 formed during a reaction. What mass
of H2O is required? (H2O: 18 g/mol)
P₂O3 + 3H₂O → 2H3PO3
1.0 mol H3PO3
1.0 mol H3PO3 - [?] g H₂O
Round to the ones place.
Mage II O()
