the formula of sodium dihydrogen phosphate

The molecular formula of sodium hydrgoen phosphate is :

Stoichiometric ratio of sodium dihydrogen orthophosphate and sodium hydrogen orthophosphate required for synthesis of Na_(5) P_(3) O_(10) is

Stoichiometric ratio of sodium dihydrogen orthophosphate and sodium hydrogen orthophosphate required for synthesis of Na_(5) P_(3) O_(10) is