Calculate the number of molecules in 43 g of NH3 ( ammonia ) .
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NH3 = 17 g
17 g of NH3 contains 6.023 × 10^23 molecules
1g of NH3 contains 6.023 ×10^23 ÷ 17 molecules
43 g of NH3 contains (6.023 ×10^23 × 43) ÷ 17 molecules
= 1.52 × 10^24 molecules
Ans : 43 g of NH3 contains 1.52 ×10^24 molecules
hope this helps.
17 g of NH3 contains 6.023 × 10^23 molecules
1g of NH3 contains 6.023 ×10^23 ÷ 17 molecules
43 g of NH3 contains (6.023 ×10^23 × 43) ÷ 17 molecules
= 1.52 × 10^24 molecules
Ans : 43 g of NH3 contains 1.52 ×10^24 molecules
hope this helps.
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