Question

Which of the following statement is true ?
(1)
Molarity is the number of moles of solute dissolved per litre of solvent
(2)
The molarity and normality of a solution of sodium carbonate are the same
(3)
Molality (m) of a solution is defined as the number of moles of solute dissolved is 1000g of solution
(4)
The ratio of mole fraction of solute and solvent is in the ratio of their respective moles

Answer 1

Answer:

(4).The ratio of mole fraction of solute and solvent is in the ratio of their respective moles

Explanation:

the reason of this is that when we measure both the moles of solvent and and solute to know their exact ratio in which amount the solvent and solute are mixed together.