lead levels in drinking water should be no higher than 15 ppb. what is this in...
1) The maximum allowable concentration of lead in drinking water is 9.0 ppb. (a) Calculate the molarity of lead in a 9.0-ppb solution. What assumption did you have tomake in your calculation? (b) How many grams of lead are in a swimming pool containing 9.0 ppb lead in 60 m3 of water?
The drinking water in Saplingville was found to contain 12 ppb (parts per billion) of lead. What is the concentration of lead in molarity?
The EPA limits lead to 15 ppb. What mass of lead (in micrograms) is there in an 8oz glass of water that contains 15 ppb of lead?
If the drinking water supply for a municipality has a reported concentration of lead at 14.0 ppb, what would the total lead exposure for an individual be if the person drank an average of 1.80 liters of water per day?
The maximum amount of lead allowed in drinking water is 0.015 mg/kg of water. Express this amount in ppb. TT T Arial 3 (12pt) T-SE
The chemical trichloroethylene (TCE) is a colorless liquid found in very low concentration in drinking water. The EPA has set a maximum concentration of TCE in drinking water at 5 ppb. Consuming water on a regular basis that contains higher concentrations can lead to cancer. (a) What is the ppb concentration in a 200.0−L (200.0 kg) sample of water that contains 0.15 mg TCE?
Flint, Michigan faces a serious water contamination crisis with high levels of lead (Pb) found in the water. The EPA has a limit of 0.015 mg/L. Express this concentration in units of ppb. Assume the water has a density of 1 g/mL.
The Odessa water report states 0.44 ppm nitrate and 4.1 ppb lead as inorganic contaminants. a) how many micrograms of each contaminant are contained in 1 mL of water? b) give the concentration of each contaminant in mol/L
Periodically, a town water department tests the drinking water of homeowners for contaminants such as lead. The lead levels in water specimens collected for a sample of 10 residents of the town had a mean 2.9 mg/L and a standard deviation of 2.1 mg/L. Complete parts a through c. a. Construct a 90% confidence interval for the mean lead level in water specimens from the town. b. Interpret the interval in terms of this application. c. what is meant by...
If drinking water contains 1ppm of lead, how many milligrams of lead are contained in 1L of drinking water? What is the molarity of lead in drinking water? (assume density of drinking water is 1.00g/mL) ***please do not show as one massive fraction conversion, I would really like it broken into parts. Thank you*****