joemimi7789 joemimi7789
  • 11-09-2018
  • Chemistry
contestada

If you burn 29.4 g of hydrogen and produce 263 g of water, how much oxygen reacted?

Respuesta :

Mergus Mergus
  • 20-09-2018

The reaction between hydrogen and oxygen to form water is given as:

[tex]H_2 + O_2 \rightarrow H_2O[/tex]

The balanced reaction is:

[tex]2H_2 + O_2 \rightarrow 2H_2O[/tex]

According to the balanced reaction,

4 g of hydrogen ([tex]4\times 1[/tex]) reacts with 32 g of oxygen ([tex]2\times 16[/tex]).

So, oxygen reacted with 29.4 g of hydrogen is:

[tex]\frac{29.4\times 32}{4} = 235.2 g[/tex]

Hence, the mass of oxygen that is reacted with 29.4 g of hydrogen is 235.2 g.

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