What is the number of molecules in 1.5 moles of ammonia ?
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Solution
1.5 moles of ammonia
Number of molecules in 1 mole of ammonia = 6.022 × 1023
Number of molecules in 1.5 moles of ammonia = 1.5 × 6.022 × 1023
Hence, number of molecules in 1.5 moles of ammonia is 9.033 × 1023.