Advertisements
Advertisements
प्रश्न
Calcium carbonate is decomposed on heating in the following reaction
CaCO3 → CaO + CO2
How many moles of CO2 are there in this equation?
Advertisements
उत्तर
One mole.
APPEARS IN
संबंधित प्रश्न
Define 'molecular mass' of a substance.
What is meant by saying that ‘the molecular mass of oxygen is 32’ ?
What is the significance of the formula H2O ?
Calculate the mass of 12.044 × 1025 molecules of oxygen (O2).
Choose the correct answer from the options given below.
In water, the hydrogen-to-oxygen mass ratio is
Calculate the weight/mass of an atom of hydrogen.
Fill in the blank with the correct word from the options given below:
Relative molecular mass of an element/compound is the number of times one ________ of the substance is heavier than −1/12that the mass of an atom of carbon [C12].
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.
NaOH
Write the name of the following compound and deduce its molecular mass.
AlPO4
