Answer:
4.90 x 10 24 atoms
Explanation:
the 24 is the exponent for the 10
100 grams of solute would be present as 20% of 500 is 100
Where’s the problem I know how to do it
The answer is C) catalyst speed up reactions and activation energy
Answer:
1. No 2. Yes 3. Yes
Explanation:
One is a physically. The other deals with an not reversible change