Formula unit mass — task. Chemistry CBSE Live product, Class 9 (2026-27).

Determine the formula unit masses of the following compounds:

(i) \(NaOH\) \(=\) \(u\)

(ii) \(Na_{2}CO_{3} . 10H_{2}O\) \(=\) \(u\)

(iii) \(NaCl\) \(=\) \(u\)

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