javad javad
  • 26-12-2014
  • Chemistry
Answered

a sample of ammonia contains 9g hydrogen and 42g nitrogen. another sample contains 5g hydrogen .calculate the amount of nitrogen in the second sample



Answer :

naǫ
naǫ naǫ
  • 26-12-2014
9 g of hydrogen - 42 g of nitrogen
5 g of hydrogen - x g of nitrogen

[tex]9x=42 \cdot 5 \\ 9x=210 \\ x \approx 23.33[/tex]

The mass of nitrogen in the second sample is 23.33 g.
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