Advertisements
Advertisements
प्रश्न
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
उत्तर
One mole
APPEARS IN
संबंधित प्रश्न
Calculate the molecular mass of CO2.
The molecular formula of glucose is C6H12O6. Calculate its molecular mass. (Atomic masses : C = 12 u ; H = 1 u ; O = 16 u)
What is meant by the ‘molar mass’ of a substance ? State the unit in which molar mass is usually expressed.
Calculate the relative molecular masses of the following
(NH4)2 Cr2O7
[At mass : C = 12, H = 1, O = 16, Ci = 35.5, N = 14, Cu = 63.5, S = 32, K = 39, Pt = 195, Ca = 40, P = 31, Mg = 24]
Calculate:
The mass of oxygen in 2.2 litres of CO2 at STP.
Urea [CO(NH2)2] is an important nitrogenous fertilizer. Urea is sold in 50 kg sacks. What mass of nitrogen is in one sack of urea?
The modem atomic mass scale is based on ______.
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
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?
