Advertisements
Advertisements
प्रश्न
Calculate the molecular mass of the following:
Potassium Chlorate.
At mass : C = 12, H = 1, O = 16, Cl = 35.5, N = 14, Cu = 63.5, S = 32, Na = 23, K = 39, Pt = 195, Ca = 40, P = 31, Mg = 24]
Advertisements
उत्तर
Chemical Formula of Potassium Chlorate = KClO3
KClO3 = 39 + 35.5 + 3 × 16
= 74.5 + 48
= 122.5
APPEARS IN
संबंधित प्रश्न
Calculate the molecular mass of CH3OH.
Calculate the molecular mass of nitric acid, HNO3. (Atomic masses : H = 1 u ; N = 14 u ; O = 16 u)
Calculate the molecular mass of hydrogen bromide (HBr). (Atomic masses : H = 1 u ; Br = 80 u)
Calculate the molecular masses of the following compounds :
Hydrogen sulphide, H2S
Calculate the molecular masses of the following compounds :
Carbon disulphide, CS2
(Atomic masses : H = 1 u ; S = 32 u ; C = 12 u)
Define gram molecular mass of a substance. How much is the gram molecular mass of oxygen ?
Write the name of the following compound and deduce its molecular mass.
Na2SO4
Calculate the molecular mass of the following:
(NH2)2CO
Given atomic mass of Cu = 63·5, H = 1, O= 16, C = 12, N = 14, Mg = 24, S = 32
Calculate the molecular mass of the following:
(NH₄)₂SO₄
[At mass : C = 12, H = 1, O = 16, Ci = 35.5, N = 14, Cu = 63.5, S = 32, K = 39, Pt = 195, Ca = 40, P = 31, Mg = 24]
Write the formulae for the following and calculate the molecular mass for each one of them.
- Caustic potash
- Baking powder
- Limestone
- Caustic soda
- Ethanol
- Common salt
