Given below are two statements:
Statement I: The sum of mole fractions of all the components in a solution is always unity.
Statement II: One gram molecule of hydrogen contains NA atoms of hydrogen.
In the light of the above statements, choose the most appropriate answer from the options given below:

The amount of H2O formed by the reaction of 10 g of H2 with 64 g of O2 is:
NextEmpirical formula of a hydrocarbon containing 85.71% carbon is:
The molarity of 20% (W/W) solution of sulphuric acid is 2.55 M. The density of the solution is
Easy25.3 g of sodium carbonate, Na2CO3 is dissolved in enough water to make 250 mL of solution. If sodiu
Easy5.85 g NaCl is dissolved in 1 L water. The total number of Na+ and Cl– ions in 1 mL of this solution
EasyWhen 60 g of salt is dissolved in 600 mL of water, the mass by volume percentage of salt in the solu
Easy8 g NaOH is dissolved in one litre of solution, its molarity is:
MediumGiven below are two statements: Statement I: 10 ppm means 10 g solute in 106 g solution. Statement I
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