Sulfur has 16 electrons. When it combines with magnesium. It acquires A -2 charge. How many electrons does it have now?
1 answer:
18 electrons. With a -2 charge, that means it gains two electrons.
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Answer:
0.3758moles
Explanation:
moles of kcl = mass of kcl/ molar mass of kcl = 28/74.5 = 0.3758moles
M=mol/liter
We know that we have 150ml=.15 L and .1 mol of HCl
Rearranging the molarity equation, we get
mol=M*l
mol=(.15)(.1)
=.015 mol
Answer:
Decreases
Explanation:
An element's oxidation number decreases because it gained electrons.
Answer:
c is not a true statement
