Question

Calculate the percentage by mass of phosphorus in tetraoxosulphate 4 acid

Answer 1

Answer:

Molecular mass of   ⇒  $H2SO4=2+32+(16*4)=98g$

Molar mass of S in 1 mole of     ⇒ $H2SO4=32g$

$Therefore\ percentage\ of\ S\ in\ H2SO4 = 98/32\​$ $*100=32.65\ percentage$

Hope it helps you :)