1.

The number of atoms in 4.25 g of NH3 is approx.(a) 1 × 1023 (b) 4.5 × 1023(c) 2 × 1023 (d) 6 × 1023​

Answer» <html><body><p><strong>Answer:</strong></p><p>1×10^23</p><p><strong>Explanation:</strong></p><p>(4.25/17)×6×10^23</p></body></html>


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