(B) The number of moles of solute dissolved in 1 kg of solvent

(C) The number of moles of solute dissolved in 1 kg of solution

(D) The number of moles of solute dissolved in 100 dm3 volume of solution

MHT CET · Chemistry · Some Basic Concepts of Chemistry

Molarity is:

A The number of moles of solute present in $1 d m^{3}$ volume of solution
B The number of moles of solute dissolved in $1 k g$ of solvent
C The number of moles of solute dissolved in $1 k g$ of solution
D The number of moles of solute dissolved in $100 d m^{3}$ volume of solution

Verified Solution

Answer & Solution

Correct Answer

(A) The number of moles of solute present in $1 d m^{3}$ volume of solution

Step-by-step Solution

Detailed explanation

molarity (M) = \frac{no. of moles of solute}{vol. of solution of {dm}^{3}}

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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