Advertisements
Advertisements
प्रश्न
Calculate the relative molecular mass of ZnCO3.
[Zn = 65, O = 16, C = 12]
Advertisements
उत्तर
Relative molecular mass of ZnCO3
= Zn + C + 3[O]
= 65 + 12 + 3[16]
= 77 + 48
= 125
APPEARS IN
संबंधित प्रश्न
Calculate the formula unit mass of ZnO given the atomic mass of:
- Zn = 65 u
- Na = 23 u
- K = 39 u
- C = 12 u
- O = 16 u
Calculate the formula unit mass of K2CO3 given the atomic mass of
- Zn = 65 u
- Na = 23 u
- K = 39 u
- C = 12 u
- O = 16 u
Define gram molecular mass of a substance. How much is the gram molecular mass of oxygen ?
If sulphur exists as S8 molecules, calculate the number of moles in 100 g of sulphur. (S = 32 u)
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]
Calculate:
The mass of oxygen in 2.2 litres of CO2 at STP.
Calculate the weight/mass of a molecule of NH3.
Calculate the weight/mass of the molecule of oxygen.
Urea [CO(NH2)2] is an important nitrogenous fertilizer. Urea is sold in 50 kg sacks. What mass of nitrogen is in one sack of urea?
The formula unit mass of Ca3 (PO4)2 is ————.
