Intro to college Chemistry

Chemistry
Tutor: None Selected Time limit: 1 Day

An instrument used to detect metals in drinking water can detect as little as 1 ug of mercury in 1 L of water. Mercury is a toxic metal; it accumulates in the body and is responsible for the deterioration of brain cells. Calculate the number of mercury atoms you would consume if you drank 1 L of water that contained only 1 ug of mercury. ( The mass od one mercury atom is 3.3 x 10^-22 g.)

May 4th, 2015

3.3 x 10^-22 g = 1 atom

1 ug = ?

(1 x 10^-3)/(3.3 x 10^-22) = 3 x 10^18 atoms

May 4th, 2015

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