8) Phosphoric acid is widely used in carbonatedbeverages, detergents,

1.	8) Phosphoric acid is widely used in carbonatedbeverages, detergents, toothpastes and fertilizers.Calculate the mass percentages of H, P and O inphosphoric acid if atoms mases are H = 1,P -31 and 0-16. (Ans. H-3.06%, P-31.63%,0-65.31%) \"SPO4
Answer» Hydrogen atomic mass : 1 amuOxygen atomic mass: 16 amuPhosphorus atomic mass : 31 amu (30.97+) compound: H3 PO4: Total = 3 * 1+ 31 + 16 * 4 = 98 amu % by mass of Hydrogen: 1001/98 = 1.02 % of Oxygen: 100 64 /98 = 65.31 % roundednumber of Phosphorous: 100* 31 / 98 = 31.63%

8) Phosphoric acid is widely used in carbonatedbeverages, detergents, toothpastes and fertilizers.Calculate the mass percentages of H, P and O inphosphoric acid if atoms mases are H = 1,P -31 and 0-16. (Ans. H-3.06%, P-31.63%,0-65.31%) \"SPO4

Answer»

Hydrogen atomic mass : 1 amuOxygen atomic mass: 16 amuPhosphorus atomic mass : 31 amu (30.97+)

compound: H3 PO4: Total = 3 * 1+ 31 + 16 * 4 = 98 amu

% by mass of Hydrogen: 100*1/98 = 1.02 % of Oxygen: 100* 64 /98 = 65.31 % roundednumber of Phosphorous: 100* 31 / 98 = 31.63%