How many moles of water are in 1.23x1018 water molecules?
1 answer:
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Answer: The correct answer will be 5 moles, because according to the stoichiometric ratio, 5 moles of oxygen produce 6 moles of water.
Explanation:
The balanced equation is:
⇒
As you can see in the balanced reaction, it is necessary 5 moles of oxygen for obtain 6 moles of water. This stoichiometric ratio can be used for calculate any amount of produced water, once you have a specific amount of oxygen.
Answer:
The grating spacing is
Explanation:
From the question we are told that
The wavelength is
The angle is
The order of the spectrum is
Generally in grating grating the condition for maxima to occur is
where d is the grating spacing
making d the subject of the formula
Substituting values