How would you express the concentration level of drinking water 0.002 mg/L in ppm and ppb?

Question

Question

Answer 1

Answer #1

Given Contentraten, M 002 mg /z Loe Knous hut aund 1 ppm = 10s PPb So Conten tiation, M D 002 mg)L M =0,002 ppm/ 2.0 ppb

Answer 2

Similar Homework Help Questions

1. Chloroform (CHCl3) has a Drinking Water standard concentration of 0.10 mg/L . a. What is...

1. Chloroform (CHCl3) has a Drinking Water standard concentration of 0.10 mg/L . a. What is this concentration expressed as parts per million (ppm)? b. Typical consumption Risk Analysis assumes the average human drinks 2.2 L/day for 70 years. How many grams of CHCl3 would the average human consume during a lifetime at the Drinking Water standard concentration? 2. The Air Quality Standard for sulfur dioxide (SO2) is 0.04 ppm. Express this as mg/m3 at 1 atm and 25oC.
(10)1. Find the concentration in (a) mg/L, (b) ppm, (c) ppb, and (d) moles/L (M), respectively,...

(10)1. Find the concentration in (a) mg/L, (b) ppm, (c) ppb, and (d) moles/L (M), respectively, for thefollowing solution: 2 g of NaCl dissolved in 500 mL of water
Chloroform (CHCI3) has a Drinking Water standard concentration of 0.10 mg/L What is this concentration expressed as par...

Chloroform (CHCI3) has a Drinking Water standard concentration of 0.10 mg/L What is this concentration expressed as parts per million (ppm)? Typical consumption Risk Analysis L/day for 70 years. How many grams of CHCI3 would the average human 1. a. b. assumes the average human drinks 2.2 during a lifetime at the Drinking Water standard concentration? consume Find the Volume of 1 mole of an ideal gas at 1.2 atm and 80°C 2. The Air Quality Standard for sulfur dioxide...

1) The maximum allowable concentration of lead in drinking water is 9.0 ppb. (a) Calculate the...

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?
Close Problem Tutored Practice Problem 13.1.3 COUNTS TOWAR CA Use ppm and ppb concentration units. The...

Close Problem Tutored Practice Problem 13.1.3 COUNTS TOWAR CA Use ppm and ppb concentration units. The EPA's secondary standards for contaminants that may cause cosmetic or aesthetic effects in drinking water suggest an upper limit of 5.00 102 mgL for manganese. If 4.60 104 liters of water in a storage tank contains 0.837 grams of Mn, what is the contaminant level in ppm? in ppb? Is this level acceptable based on EPA guidelines? ppm ppb Check & Submit Answer Show...
The maximum amount of lead allowed in drinking water is 0.015 mg/kg of water. Express this...

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 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?
PPM and PPB A 180-mg sample of Na2CO3 is dissolved in H2O to give 2.80L of...

PPM and PPB A 180-mg sample of Na2CO3 is dissolved in H2O to give 2.80L of solution. What is the concentration of Na+ in parts per million (ppm)? Note: "ppm" are 106 ×[(mass of solute)/(mass of solution)] ppm 1pts Tries 0/5 A 2.15-mg sample of dioctyl phthalate (C24H38O4), a plasticizer, is dissolved in H2O to give 550mL of solution. What is the concentration of dioctyl phthalate in parts per billion (ppb)? Assume U.S. definition of "one billion" = 109 (as...
14) The concentration of N20 at sea level is 334 ppb. a. Convert this to ppm....

14) The concentration of N20 at sea level is 334 ppb. a. Convert this to ppm. b. Calculate the mixing ratio of N20. c. Calculate the number density of N2O.

20/27OBLEM: Suppose drinking water contains 1 mg/l of toluene and 0.01 mg/l of tetrachloroethylene (C2C4). A...

20/27OBLEM: Suppose drinking water contains 1 mg/l of toluene and 0.01 mg/l of tetrachloroethylene (C2C4). A 70 kg adult drinks 2 t/day of this water for 10 years. a) Assess HR and evaluate HR. Was this a safe level of exposure? b) C2C4 is a carcinogen. What would be the carcinogenic risk faced by a person drinking it. Would it be less than 106 (goal)? RfDtoluene 0.2 mg/kg.day RfDc:ci 0.0 mg/kg.day PFc.c 5.1 x 10-2 (mg/kg-day) 20/27OBLEM: Suppose drinking water...