Advertisements
Advertisements
प्रश्न
How many grams of H2O are present in 0.2 mole of it?
Advertisements
उत्तर
1 mole of water weighs = (1 x 2) + 16 = 18 g
∴ 0.2 mole of H2O has mass = 0.2 x 18 = 3.6 g
APPEARS IN
संबंधित प्रश्न
What is the mass of 10 moles of sodium sulphite (Na2SO3)?
Convert into mole.
22 g of carbon dioxide
A gas cylinder can hold 1 kg of hydrogen at room temperature and pressure
1) Find the number of moles of hydrogen present.
2) What weight of CO2 can the cylinder hold under similar conditions of temperature and pressure? (H = 1, C = 12, O = 16)
3) If the number of molecules of hydrogen in the cylinder is X, calculate the number of CO2 molecules in the cylinder under the same conditions of temperature and pressure.
4) State the law that helped you to arrive at the above result.
Calculate the mass in grams of 0.17 mole of hydrogen sulphide, H2S. (Atomic masses : H = 1 u, S = 32 u)
Deduce the number of molecules of the following compound in the given quantity.
32g oxygen
Fill in the blank
Avogadro's number is equal to ______
Calculate the number of particles in 0.1 mole of any substance.
Calculate the number of moles of methane in 0.80 g of methane.
Four grams of caustic soda contains ______.
How many grams are there in the following?
3 moles of chlorine molecule, Cl2.
