Answer to Question #214304 in General Chemistry for Kyla

Question #214304

In research, it has been found that millions of bottled mineral water contain benzene (C6H6) at morality levels higher than concentrations considered lethal for rats. A sample of 250 mL mineral water has a concentration of 0.000151 M. What is the mass of benzene in the sample? Show your solutions

1
Expert's answer
2021-07-07T05:02:23-0400

number of moles =concentration"\\times" volume"=0.000151\\times 250\/1000=3.775\\times10^{-5}moles"

"C=12, H=1"

"RMM=12\\times6+6\\times 1=78"

"mass=RMM\\times number\\space of\\space moles=78\\times3.775\\times10^{-5}=2.9445\\times 10^{-3}g"


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