Which of the following terms is unitless? - India Site

Which of the following terms is unitless?

Chemistry | Class 11 | Exercise 1 | NCERT | Some Basic Concepts of Chemistry

Which of the following terms is unitless?

(i) Molality

(ii) Molarity

(iii) Mole fraction

(iv) Mass per cent

Answer:

Correct Answers: (iii) Mole fraction; (iv) Mass per cent

Explanation:

Unit of Molality – Molal or moles per kg

Unit of Molarity – Molar or moles per liter

Unit of Mole fraction – Has no unit

Unit of Mass per cent – Has no unit

i

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