Asked by Isabelle

If the concentration of arsenic found in a well is 31.0 ppm, determine the mass of arsenic, in milligrams, in a 341 mL bottle of water from that well.
Answered by R_scott
341 mL of water has a mass of 341 g

a millionth of that is .341 mg

multiply by 31.0 to find the arsenic
Answered by DrBob222
I remember that 1 ppm = 1 mg/L so 31.0 ppm is 31.0 mg/L. Convert to mg in 341 mL or 31.0 x (341 mL/1000 mL) = ?
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