I think it's 2 I tried looking it up because I was not sure.
Answer:
C
Explanation:
Characteristics used to classify stars include color, temperature, size, composition, and brightness.
Answer: 0.0250
Explanation: 10 X 0.0750 = .75
.75 / 30 = 0.0250 M
Answer:
So, 10 mole of water will weigh (18x10) = 180g.
