the spectral classes of four stars are shown in comparison with a Hertzsprung-Russell diagram. Based on the information which st
ar is most like the sun?
2 answers:
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Answer:A,D
Explanation:
Option a:
Sodium has charge
Hydroxide has charge .
So,sodium hydroxide is balanced.
Option b:
Magnesium has charge
Two sulphates has a charge of .
So,magnesium sulphate is not balanced.
Option c:
Magnesium has charge
Two hydroxides have a charge of .
So,magnesium hydroxide is balanced.
Option d:
Sodium has charge
Sulphate has charge .
So,sodium sulphate is not balanced.