Advertisements
Advertisements
Question
Calculate the number of moles of CO2 which contain 8.00 g of O2
Advertisements
Solution
1 mole of CO2 contains O2 = 32g
So, CO2 having 8 gm of O2 has no. of moles = `8/32`
= 0.25 moles
APPEARS IN
RELATED QUESTIONS
How many moles are there in 34.5 g of sodium ? (Atomic mass of Na = 23 u)
Prove the Following :
One mole of any gas contains th e same number of molecules.
Calculate the mass of 0.1 mole of the following:
Na2SO4.10H2O
(Ca = 40, Na = 23, Mg = 24, S = 32, C = 12, Cl = 35.5, O = 16, H = 1)
The molecular formula for elemental sulphur is S8. In a sample of 5.12 g of sulphur:
How many moles of sulphur are present?
A student puts his signature with a graphite pencil. If the mass of carbon in the signature is 10-12 g, calculate the number of carbon atoms in the signature.
Four grams of caustic soda contains ______.
What is Molar volume of a gas?
Calcium chloride when dissolved in water dissociates into its ions according to the following equation.
\[\ce{CaCl2} (aq) → {Ca^{2+} (aq) + 2{Cl}- (aq)}\]
Calculate the number of ions obtained from CaCl2 when 222 g of it is dissolved in water.
Cinnabar (HgS) is a prominent ore of mercury. How many grams of mercury are present in 225 g of pure HgS? Molar mass of Hg and S are 200.6 g mol–1 and 32 g mol–1 respectively.
Deduce the number of molecules of the following compound in the given quantity.
8.8g carbon dioxide
