Chemistry, 13.01.2021 02:30 levy72

The EPA limit for lead in the water supply is 15 parts per billion by mass (15 g Pb / 1 x 109 g H2O). Calculate the number of lead ions present in 1.00 kg of water that is at the EPA limit for lead. Assume the mass of a lead ion and atom are the same.

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The EPA limit for lead in the water supply is 15 parts per billion by mass (15 g Pb / 1 x 109 g H2O)...

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