The brackets are indicating a(n) __Hydrogen___ bond.
1. Hydrogen
In chemistry the law of multiple proportions states that if two elements from more than one compound between them then the ratios of the masses of the second element which combine with a fixed mass of the first element will always be ratios of small whole numbers .
Answer:
The level of toxins in solutions
Density is Mass per Volume
so
0,8765 g/ml = Mass of Benzene / 250 ml
Mass of Benzene = 219,125 gram
so 250 ml of benzene is equal to 219,125 gram
Answer:
C. Adding a catalyst
Explanation:
Because the catalyst increases the rate of chemical reaction
