calculate total no. of neutrons present in 1.7 g ammonia
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Anonymous:
btt, where does that 10 came from?
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Mass of 1 mole of ammonia = 17g
1.7g of ammonia contains 0.1 mole of ammonia
1 molecule of ammonia = 10 electrons (7N+3H)
1 mole of ammonia = 10 × 6.022×10^23 electrons
therefore, total number of electrons in 0.1 mole = 6.022×10^23 ÷ 0.1
= 6.022×10^23 electrons
1.7g of ammonia contains 0.1 mole of ammonia
1 molecule of ammonia = 10 electrons (7N+3H)
1 mole of ammonia = 10 × 6.022×10^23 electrons
therefore, total number of electrons in 0.1 mole = 6.022×10^23 ÷ 0.1
= 6.022×10^23 electrons
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