WBJEE · Chemistry · Some Basic Concepts of Chemistry
The system that contains the maximum number of atoms is
- A \(4.25 \mathrm{g}\) of \(\mathrm{NH}_{3}\)
- B \(8 \mathrm{g}\) of \(\mathrm{O}_{2}\)
- C \(2 \mathrm{g}\) of \(\mathrm{H}_{2}\)
- D \(4 \mathrm{g}\) of He
Answer & Solution
Correct Answer
(C) \(2 \mathrm{g}\) of \(\mathrm{H}_{2}\)
Step-by-step Solution
Detailed explanation
Number of atoms \(=\frac{\text { mass }}{\text { molar mass }} \times N_{A}\) x Number of atoms in 1 mole \(\therefore\) Number of atoms in \(4.25 \mathrm{g} \mathrm{NH}_{3}\) \[ \begin{array}{l} =\frac{4.25}{17} \times N_{A} \times 4 \\ =N_{A} \end{array} \] Number of atoms in…
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