Number of g-atoms of Oxygen in 0.2 mol of hypo, , is: | Mole Concept and Some Basic Concepts of Chemistry — Chem-Mantra

Mole Concept and Some Basic Concepts of ChemistryeasyMCQ SINGLE

Question

Number of g-atoms of Oxygen in 0.2 mol of hypo, $Na_2S_2O_3 \cdot 5H_2O$, is:

Answer: B

💡 Solution & Explanation

Formula has $3 + 5 = 8$ Oxygen atoms. g-atoms (moles of atoms) $= 0.2 \times 8 = 1.6$.

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