# science

if the concentration of lead in water is 15ppm how much water contains 15 grams of lead?

1. 👍 0
2. 👎 0
3. 👁 146
1. You might try some of the following links:

Sra

1. 👍 0
2. 👎 0

## Similar Questions

1. ### chem

Carbon dioxide gas has a Henry's law constant of 4.48×10-5 M/mmHg at 25.0 °C when dissolving in water. If the total pressure of gas (CO2 gas plus water vapor) over water is 1.00 atm, what is the concentration of CO2 in the water

asked by james on February 18, 2016

Claim: Lead in drinking water will harm humans Which of the following pieces of data will be best evidence to support this claim?After using water that contains high levels of lead, people started experiencing joint pain. b. After

asked by ubah on May 18, 2018
3. ### Chemistry

Suppose you have two 100- graduated cylinders. In each cylinder there is 44.0 of water. You also have two cubes: One is lead, and the other is aluminum. Each cube measures 1.5 on each side. After you carefully lower each cube into

asked by Sam on September 3, 2011
4. ### chem

a little trouble with these, kindly help please 1) How many grams of vitamin B12 are present in a 100.0 mL blood serum sample with a vitamin B12 concentration of 148 ng/L? A)1.48 x 10-8 g B)1.48 x 10-5 g C)1.48 g D)1.48 x 10-9 g

asked by topanga on November 17, 2015
1. ### Physics - ice to liquid

Fifty grams of hot water at 80oC is poured into a cavity in a very large block of ice at 0oC. The final temperature of the water in the cavity is then 0oC. Show that the mass of ice that melts is 50 g. To melt ice to 50g of water,

asked by Ceres on September 24, 2009
2. ### Chemistry

1. What is the percent by mass of a solution that contains 50 grams of solute dissolved in 200 grams of solution? What is the concentration of the same solution in parts per million? 2. What is the percent mass of a solution that

asked by Leora on March 25, 2011
3. ### chemistry

A 375 g sample of well water is found to contain 17.0 mg of lead. How much lead (in parts per million) is in the well water? Round to the nearest tenth. Don't forget the unit.

asked by sara on June 12, 2012
4. ### BIO

In osmosis A) water moves from extracellular to intracellular compartments. B) water moves from a region of high water concentration to a region oflow water concentration. C) solutes move from a region oflow water concentration to

asked by LABUB on April 18, 2018
1. ### chemistry

A certain substance has a solubility of 12 grams in 100 grams of water at 20°C. This means that _____ the substance will begin to dissolve when 12 grams are present in solution when 12 grams of the substance are stirred into a

asked by Bleaktuber on January 24, 2019
2. ### SCI

Hypothetically speaking, I placed a cell in a glass of water and after about a day the cell grew in size. Why did the cell grow? Well I was thinking this: The reason the cell grew was because there was a higher concentration of

asked by Lena on September 23, 2008
3. ### Chemistry

Concentrated sulfuric acid is 18.4 molar and has a density of 1.84 grams per milliliter. After dilution with water to 5.20 molar the solution has a density of 1.38 grams per milliliter. This concentration of H2SO4 is often used in

asked by K on January 13, 2011
4. ### Calculus

A tank contains 2000 L of pure water. Brine that contains 15 g of salt per liter of water is pumped into the tank at a rate of 25 L/min. The concentration of salt after t minutes (in grams per liter) is C(t) = 15t/80 + t. As t →

asked by Anonymous on May 11, 2018