Advertisements
Advertisements
Question
Define 'molecular mass' of a substance.
Advertisements
Solution
The molecular mass of a substance is the relative mass of its one molecule as compared with a `""^12""_6C` atom. The mass of an atom of is `""^12""_6C` considered to be 12 a.m.u.
APPEARS IN
RELATED QUESTIONS
Calculate the molecular mass of C2H6.
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
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 :
Oxygen, O2
(Atomic masses : H = 1 u ; O = 16 u ; Cl = 35.5 u ; N = 14 u ; C = 12 u)
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.
Calcium carbonate is decomposed on heating in the following reaction
CaCO3 → CaO + CO2
How many moles of CO2 are there in this equation?
Write the name of the following compound and deduce its molecular mass.
MgCl2
Write the name of the following compound and deduce its molecular mass.
NaHCO3
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?
