Advertisements
Advertisements
Questions
Calculate the molecular mass of the following:
CuSO4·5H2O
Given atomic masses of Cu = 63·5, H = 1, O = 16, C = 12, N = 14, Mg = 24, S = 32
Calculate the molecular mass of the following compound:
CuSO4·5H2O
Advertisements
Solution
Atomic Masses: Cu = 63.5, S = 32, O = 16, H = 1
63.5 + 32 + (4 × 16) + 5 × [(2 × 1) + 16]
= 63.5 + 32 + 64 + 90
= 249.5 u
RELATED QUESTIONS
Calculate the molecular mass of NH3.
Define 'molecular mass' of a substance.
The molecular formula of glucose is C6H12O6. Calculate its molecular mass. (Atomic masses : C = 12 u ; H = 1 u ; O = 16 u)
Calculate the molecular masses of the following compounds :
Carbon disulphide, CS2
(Atomic masses : H = 1 u ; S = 32 u ; C = 12 u)
Calculate the molecular masses of the following compounds :
Methane, CH4
(Atomic masses : C = 12 u ; H = 1 u)
Calculate the formula masses of the following compounds :
Calcium carbonate
How many molecules are present in one gram molecular mass of a substance ?
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
Choose the correct answer from the options given below.
In water, the hydrogen-to-oxygen mass ratio is
Calcium carbonate react with dilute hydrochloric acid as given below:
\[\ce{CaCO3 + 2HCl -> CaCl2 + H2O + CO2}\]
How many moles of \[\ce{HCl}\] will react with 5 moles of calcium carbonate?
