Advertisements
Advertisements
प्रश्न
Four grams of caustic soda contains ______.
विकल्प
6.02 x 1023 atoms of it
4 g atom of sodium
6.02 x 1022 molecules
4 moles of NaOH
Advertisements
उत्तर
Four grams of caustic soda contains 6.02 x 1022 molecules.
Explanation:
40 g of NaOH contains 6.023 x 1023 molecules
So, 4 g of NaOH contains = `4/40 xx 6.02 xx 10^23`
= `1/10 xx 6.02 xx 10^23`
= 6.02 x 1022 molecules
संबंधित प्रश्न
Calculate the molar mass of the following substance:
Nitric acid, HNO3
What is a group of 6.022 × 1023 particles known as ?
Which of the following correctly represents 360 g of water ?
- 2 moles of H2O
- 20 moles of water
- 6.022 × 1023 molecules of water
- 1.2044 × 1025 molecules of water
The ratio of moles of atoms in 12 g of magnesium and 16 g of sulphur will be :
Calculate the number of molecules in one Kg of calcium chloride.
How many grams of Al are present in 0.2 mole of it?
Calculate the number of moles of CO2 which contain 8.00 g of O2
1 mole of any substance contains ______ molecules.
One mole of any gas occupies ______ ml at S.T.P.
Deduce the number of molecules of the following compound in the given quantity.
7.1 g chlorine
