Answer:
107.8
Explanation:
64 gram of N2H4 produce 72 gram of H20
then by crossmultiplication
64*121.3/72=107.82
Move the decimal place to the left 3 digits.
0.125
3. 9
20. 60 (1hour)
To get to 60 from 20 we multiply by three. 3 times 3 is 9.
A is true
B is true
C is true
D is true
E is false
Sulfur is not a transition metal so it does not need a Roman numeral the correct answer is Trisulfur Dichloride
If I did the math right .. it would be 84.46grams