Answer:
D
Explanation:
A is length
B is Reflection
C Mass
D is Density
A B can be eliminated immediately and you will learn the rest in school
Hope it helps!! :)
A temperature change in a reaction indicates a “( physical change)”
Answer:
Na+-0.0648M
SO4²-0.1352M
Explanation:
First find the R.A.M of the sodium sulphate
(23×2)+(32)+(16×4)=142
Find the portion of sodium ions=46/142×0.2
=0.0648M
Sulphate=
0.2-0.0648=0.1352M
Answer:
3882.327108 meters per second.
Explanation:
