A 800.0 L sample of drinking water is found to contain 2.00 mg of arsenic. What is the concentration (in M) of arsenic in the sample?

Q: Although sea water typically consists of many soluble ions, it primarily consists of dissolved NaCl.…

A:

Q: There are 200 mmol NaOH in a 400 mL NaOH solution.  What is the molarity of this solution?

A: The objective of this question is to calculate the molarity of a NaOH solution given the amount of…

Q: In the laboratory you dilute 4.25 mL of a concentrated 12.0 M hydrochloric acid solution to a total…

A: Answer: Dilution of a solution is done by gradually adding water in the stock solution. Addition of…

Q: If young children have an illness that causes diarrhea and vomiting, they can quickly become…

A: Mass/ Volume % is  basically percentage of solute per 100 ml of solution.  ppm is basically mg / L…

Q: In the laboratory you dilute 2.81 mL of a concentrated 12.0 M hydrochloric acid solution to a total…

A: The objective of this question is to find the concentration of the diluted hydrochloric acid…

Q: In this station, you will find 400.0 mL of a 0.500 M aqueous solution of calcium chloride. What mass…

A: Molarity of any solution is given by :Molarity =Number of moles of solute Volume of solution(in…

Q: A 11.39 M HCl solution has a density of 1.180 g/mL. What is the concentration of this solution in…

A:

Q: A 1415 mL sample of drinking water was found to contain 82.0 mg of lead. Calculate the concentration…

A: Given Mass of lead       = 82 mg  Volume of water = 1415 mL        1000 mL     =  1 Liter       1415…

Q: mL of a concentrated 0.02 M ibuprofen (aq) solution should be added to a 100 mL volumetric flask…

A: Initial concentration, M1 = 0.02 M The initial volume, V1 =? Final concentration, M2 = 0.002 M Final…

Q: You have a stock solution of 14.8 MM NH3NH3. How many milliliters of this solution should you dilute…

A:

Q: 1) 12.8 g of NaCl is added to water to make 507.1 g of solution. Calculate the mass percent…

A: Concept: Mass percent concentration = (mass of solute/ mass of solution ) * 100% Molarity = Moles of…

Q: In the laboratory you dilute 5.53 mL of a concentrated 12.0 M perchloric acid solution to a total…

A: The molarity of a solution is given by:

Q: 200. milliters of a 3.75 Molar (M) NaCl solution diluted to 490.mL What will be the molarity of the…

A: Ans is 1.53M

Q: In the laboratory you dilute 4.36 mL of a concentrated 6.00 M nitric acid solution to a total volume…

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Q: You dilute 35.00 mL of 1.12 M K₂SO₄ to a volume of 250.00 mL of pure water. What is the…

A: In chemistry, the term concentration is used to define the amount solute in given amount of…

Q: A 0.2433 g sample of a monoprotic acid neutralizes 31.31 mL of a 0.08819 M KOH solution. Calculate…

A:

Q: Give the volume of the solute and volume of the solvent for  a 0.50 M solution of HCl that would…

A: The neutralisation reaction between HCl and Ba(OH)2 is, 2HCl + Ba(OH)2 ---> BaCl2 + 2H2O   Now,…

Q: An aspirin sample, 0.62 g, was turrares with 28 mL of 0.105 M NaOH solution. What is the percent…

A:

Q: In a solution, there is 1 g of NaCl for every 5 g of water. What is the ratio of sodium to water?

A: Ratio of sodium to water is the amount of sodium divided by amount of water .

Q: A solution contains 1.5 g sodium chloride in 100.0 g water. What is the percentage by mass of NaCl…

A: Mass of solute (NaCl) = 1.5 g Mass of solvent (water) =100g (100 mL) Mass of solution=1.5+100=101.5g

Q: What is the molarity of this solution? [Mg = 24.305 g/mol]

A: The solution to the given problem is as follows:

Q: You have a 2.50M solution of lithium nitrate (68.946 g/mol). What volume of solution would you need…

A: In order to solve this question, we will be using basic mole concepts and seeing the reaction of…

Q: Dye stock solution      concentration               blue———     0.3523               Yellow.…

A: The given problem is a simple question of mole concept and here we have to find out the molar…

Q: 227 mL of a 3.2 M solution of KBr is diluted to 731 mL.  What is the new concentration of the…

A: The process of dilution is defined as the process in which a solution with a lower concentration is…

Q: A sample of copper(II) sulfate was created by measuring 61.42 g of solute and adding it to 1.6 L of…

A: We are given with 61.42 g of Copper Sulphate in 1.6 L of water. We have to calculate the…

Q: How many grams of NaCl are in a 635mL solution of 3.00 M NaCl(aq)?

A: Molarity of solution = 3.00 M Volume of solution = 635 mL = (635/1000) L = 0.635 L Volume of…

Q: In the laboratory you dilute 3.30 mL of a concentrated 3.00 M perchloric acid solution to a total…

A: Given :-  Initial concentration of solution = 3.00 M  Initial volume = 3.30 mL  Final volume = 175…

Q: What is the molarity of a solution prepared by adding 5.59 grams of potassium nitrate to 291 mL of…

A: Molarity of solution is defined as number of moles of solute dissolved per litre of solution.

Q: How many milliliters of a 5.90 MM NaOHNaOH solution are needed to provide 0.325 molmol of NaOHNaOH

A: Given -> Molarity of NaOH = 5.90 M  Mole of NaOH = 0.325 mole

Q: Calculate the maximum volume in mL of 0.19 M HCl that a tablet containing 1,031 mg CaCO3 would be…

A: The equation for the given neutralization reaction is as follows. CaCO3+2HCl→CaCl2+CO2+H2O That…

Q: A solution is made by mixing 48.2 g of alcohol into 100.0 mL of water (DH2O = 1.00 g/mL). What is…

A: Given ; mass of alcohol = 48.2 g  And volume of water = 100 mL  Since density of water = 1 g/mL…

Q: A 5.0 g sample of NaCl is dissolved in enough water to give 500 ml of solution. Wat is the Na+ ion…

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Q: If 41.3 g of CH,OH (MM = 32.04 g/mol) are added to a 500.0 mL volumetric flask, and water is added…

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Q: If 50.1 mL of 0.128 M hydrochloric acid requires 17.5 mL of NaOH solution to reach the endpoint,…

A: Sodium hydroxide reacts with hydrochloric acid, to form sodium chloride and water. The equation for…

Q: A laboratory procedure calls for a 0.250 M solution of cobalt (II) chloride. How many grams of…

A: Molarity = moles / volume (in L)  Given that , molarity = 0.250 M      Volume = 0.500 L