Interpretation:
The mole ratios for the given reaction of oxygen gas and hydrogen gas needs to be determined. And a sketch showing the reaction between six hydrogen molecules and oxygen molecules to form water molecules should be drawn.
Concept introduction:
The ratio of mass of substance to its molar mass is said to be number of moles of that substance.
The ratio of amount of any two compounds involved in a
Answer to Problem 10SSC
The mole ratios for the given reaction of oxygen gas and hydrogen gas is:
The sketch showing the reaction between six hydrogen molecules and oxygen molecules to form water molecules is:
Explanation of Solution
Given:
The balanced reaction between hydrogen gas and oxygen gas for the formation of water is:
From the given balanced chemical reaction, the mole ratio of
Thus, the mole ratios for the reaction of oxygen gas and hydrogen gas is:
Now, in order to make sketch the number of molecules of oxygen reacting with six molecules of hydrogen and the produced molecules of water is calculated from the mole ratio as it is also the molecular ratio.
The molecule ratio between
The molecule ratio between
Thus, 6 molecules of hydrogen gas react with 3 molecules of oxygen gas to produce 6 molecules of water as depicted in the below sketch, where white spheres represent H atoms and grey spheres represent O atoms:
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Chemistry: Matter and Change
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