there are 2 copper atoms on the left side of the arrow, but none on the other side. there are also 7 oxygen atoms on the left hand side, but only 5 on the right hand side of the arrow.
The answer is the third one because density is mass divided by volume so 80 divided by 10 is 8
Answer:
both are the types of mixture and both are impure substances that donot have fixed composition and the composition of constituents is not uniform
answer:
as per the formula of given carbohydrate the answer is 15 moles
explanation:
- 1 mole carbohydrate contains 6 moles water
- 2.5 moles contain 6 X 2.5 = 15 moles