Advertisements
Advertisements
Question
Calcium carbonate is decomposed on heating in the following reaction
CaCO3 → CaO + CO2
How many moles of Calcium carbonate is involved in this reaction?
Advertisements
Solution
One mole
APPEARS IN
RELATED QUESTIONS
Calculate the molecular mass of CH4.
Calculate the molecular mass of CH3OH.
Define 'molecular mass' of a substance.
What is the significance of the formula H2O ?
Calculate the molecular masses of the following :
Chlorine, Cl2
(Atomic masses : H = 1 u ; O = 16 u ; Cl = 35.5 u ; N = 14 u ; C = 12 u)
How many moles are there in 34.5 g of sodium ? (Atomic mass of Na = 23 u)
From the equation:
\[\ce{C + 2H2SO4 -> CO2 + 2H2O + 2SO2}\]
Calculate the mass of carbon oxidized by 49 g of sulphuric acid (C = 12, relative molecular mass of sulphuric acid = 98)
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
The mass of one steel screw is 4.11g. Find the mass of one mole of these steel screws. Compare this value with the mass of the Earth (5.98 × 1024kg). Which one of the two is heavier and by how many times?
Write the name of the following compound and deduce its molecular mass.
NaHCO3
