In chemistry, yes...yes it is.
Negative symbol which means that gain of electron.
I not sure about the answer sorry!! if you will get wrong in your book
Answer:
32.23 to 4 significant figures.
Explanation:
The molar mass of the element is the mass of 6.022 * 10^23 atoms (Avogadro's number).
So by proportion it is 6.022 * 10^23 * 3.88 / 7.25 * 10^22
= 32.23 to 4 significant figures.
True it is based on a set of observations
64158 calories is required
