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In the equation:2H2 + O2 → 2H2O100 molecules of hydrogen react with ........... molecules of oxygen.

In The Equation2H2 O2 2H2O100 Molecules Of Hydrogen React With Molecules Of Oxygen class=

Sagot :

Answer:

[tex]50\text{ molecules}[/tex]

Explanation:

Here, we want to know the number of molecules of oxygen that was reacted with

From the question, we can see that the mole ratio is 2 to 1

Thus, the number of molecules of oxygen reacted will be half that of hydrogen

Hence, the number of molecules of oxygen will be:

[tex]\rightarrow\frac{100}{2}\text{ = 50 molecules}[/tex]

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