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Calculate the number of atoms of the 52 moles of Ar
In three moles of ethane (C2H6), calculate the Number of molecules of ethane.
In three moles of ethane (C2H6), calculate the Number of moles of carbon atoms.
Calculate the concentration of nitric acid in moles per litre in a sample which has a density, 1.41 g mL–1and the mass per cent of nitric acid in it being 69%.
Calculate the mass of sodium acetate (CH3COONa) required to make 500 mL of 0.375 molar aqueous solution. Molar mass of sodium acetate is 82.0245 g mol–1
Use the data given in the following table to calculate the molar mass of naturally occurring argon isotopes:-
|Isotope||Isotopic molar mass||Abundance|
- All in One Chemistry CBSE Class 11