Advertisements
Advertisements
Question
Calculate the relative molecular mass of CaSO4.
[S = 32, O = 16, Ca = 40]
Advertisements
Solution
The relative molecular mass of CuSO4
At wt. of Ca + At. wt. of S + 4 [at. wt. of O]
= 40 + 32 + 4(16)
= 72+ 64
= 136
APPEARS IN
RELATED QUESTIONS
Calculate the molecular masses of the following compounds :
Methanol, CH3OH
Calculate the molecular masses of the following compounds :
Carbon disulphide, CS2
(Atomic masses : H = 1 u ; S = 32 u ; C = 12 u)
Which of the following elements has the same molecular mass as its atomic mass ?
Calculate the molecular mass of the following:
(NH4)2CO3
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:
Mg3N2
Given atomic mass of Cu = 63·5, H = 1, O = 16, C = 12, N = 14, Mg = 24, S = 32
Molar mass of CO2 is 42g.
What is the SI prefix for each of the following multiples and submultiples of a unit?
- 103
- 10–1
- 10–2
- 10–6
- 10–9
- 10–12
What are ionic and molecular compounds? Give examples.
Write the name of the following compound and deduce its molecular mass.
CO2
Calcium carbonate react with dilute hydrochloric acid as given below:
\[\ce{CaCO3 + 2HCl -> CaCl2 + H2O + CO2}\]
What is the volume of carbon dioxide liberated at S.T.P. at the same time?
