Advertisements
Advertisements
Question
Calculate the formula unit mass of Na2O given the atomic mass of
- Zn = 65 u
- Na = 23 u
- K = 39 u
- C = 12 u
- O = 16 u
Solution
Formula unit mass of Na2O = 2 × Atomic mass of Na + Atomic mass of O
= 2 × 23 + 16
= 62 u
APPEARS IN
RELATED QUESTIONS
Calculate the molecular mass of CO2.
Calculate the molecular masses of the following compounds :
Ethanol, C2H5OH
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:
CH3COONa
[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 volume of 4g of H2 at 4 atmosphere.
Calculate the weight/mass of the molecule of oxygen.
Calculate the relative molecular mass of ZnCO3.
Answer the following question using the data given below:
- Assertion: The Relative Molecular Mass of Chlorine is 35.5 a.m.u.
- Reason: The natural abundance of Chlorine isotopes are not equal.
What are ionic and molecular compounds? Give examples.
Write the name of the following compound and deduce its molecular mass.
AlPO4