an A chemist samples a river's water to measure the amount of fertilizer runoff from the area farms. In a

0.0635L

sample, the chemist measures

187\\\\mu g

of nitrate. Express the concentration of nitrate in parts per million (ppm) and parts per billion (ppb). Assume the density of the river water sample is

1.00(g)/(m)L

.\ concentration:\ ppm\ concentration:

A chemist samples a river's water to measure the amount of fertilizer runoff from the area farms. In a 0.0635L sample, the chemist measures 187g of nitrate. Express the concentration of nitrate in parts per million (ppm) and parts per billion (ppb). Assume the density of the river water sample is 1.00g/mL. concentration: ppm concentration: ppb