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.

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 22:30, Cnolteb5663

Often on a topographic map, every fifth contour line is darkened. what is this line called? a. key b. slope c. benchmark d. index contour

Answers: 1

continue

Chemistry, 22.06.2019 06:00, nikejose11

An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g

Answers: 3

continue

Chemistry, 22.06.2019 16:00, nyjaelynn

Which process transfers heat from inside earth to its surface? convection currents in mantle pulling away of tectonic plates drawing in of tectonic plates convection currents in crust

Answers: 1

continue

Chemistry, 23.06.2019 15:00, RegencySlayer5304

Charlene puts together two isosceles triangles so that they share a base, creating a kite. the legs of the triangles are 10 inches and 17 inches, respectively. if the length of the base for both triangles is 16 inches long, what is the length of the kite’s other diagonal? 6 inches inches inches 21 inchesanswer is d on e2020edit: it's geometry not chemistry, sorry.

Answers: 3

continue

Do you know the correct answer?

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