10. Which statement is the most important reason that some people feel that solar energy power can be a pollution-free energy so
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datos:
Molarity =
ps: The ionization constant of the nitric acid is strong (100% ionized in water) or completely dissociates in water, so the pH will be:
Note:. The pH <7, then we have an acidic solution.
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Answer : The volume of the cube is,
Solution : Given,
Density of nickel =
Number of nickel atoms =
Molar mass of nickel = 58.7 g/mole
First we have to calculate the moles of nickel.
As, atoms form 1 mole of nickel
So, atoms form
moles of nickel
The moles of nickel = 3.321 moles
Now we have to calculate the mass of nickel.
The mass of nickel = 194.94 g
Now we have to calculate the volume of nickel.
Therefore, the volume of the cube is,