What is percentage composition.

What is the percentage composition of urine ?

What is the percentage composition of oxygen in the atmosphere?

What is the percentage composition of Na_(2)S_(2)O_(3).5H_(2)O ?

What is the percentage composition of the elements in ammonia , NH_(3) ? (N = 14 , H = 1 )

What is the percentage composition of Al_(2)(SO_(4))_(3)? [R.A.M.: 0 = 16, Al = 27, S = 32.]

What is the percentage composition of each element is zinc-phosphate Zn_(3) (PO_(4))_(2) ? (Zn = 65.5, P = 31, O = 16)

1 gm of a mixture of calcium carbonate and magnesium carbonate gave on ignition 240 mL of carbon dioxide at S.T.P. What is the percentage composition of the mixture ?

What is the percentage composition of each element is zinc-phosphate Zn_(3) (PO_(4))_(2) ? (Zn = 65.5, P = 31, O = 16)

What is the percentage composition of each element is zinc-phosphate Zn_(3) (PO_(4))_(2) ? (Zn = 65.5, P = 31, O = 16)

1 gm of a mixture of calcium carbonate and magnesium carbonate gave on ignition 240 mL of carbon dioxide at S.T.P. What is the percentage composition of the mixture ?