The answer is not in the option. This is the answer
S3 + 3O2 ——-> 3SO2
The answer is 3/4ths. If you have any questions please ask
7n+12
if n is the number of students, then n=6 so plug 6 in for n
so 7(6)+12
7(6)=30+12=42
so the cost for 6 students would be $42
10 hours. Simple converting. 100mL*10=1000mL=1L