The maximum amounts of lead and copper allowed in drinking water are 0.015mg/kg for lead and 1.3mg/kg for copper express these valves in ppm and tell the maximum amounts of each (in grams) allowed in 100g of wter

Q: Soft drinks are canned under 4 atm of CO2 and release CO2when opened. (a) How many moles of CO2 are…

A: Given: Pressure of carbon dioxide= 4 atm Volume of can of soda= 355ml KH= 3.3×10-2 mol L-1

Q: How many grams of CaC2O4 would be required to make a saturated aqueous solution in a 1 Liter flask…

A: solubility is defined as the maximum amount of solute that can be dissolve in a solvent or we can…

Q: A chemist identified that mammalian milk contains 145 milligram of calcium per 100ml of milk sample…

A: Given : mass of calcium = 145 mg = 145 X 1000 = 1.45 X 105 micro-gram…

Q: Soulibility of CO2 at 20 degree Celsius and 1 atm is equivalent to 87.8mL/100mL water. Suppose the…

A: According to the Henry's law, the solubility of a gas in a liquid is directly proportional to the…

Q: A 5.17 molal aqueous nitric acid solution was prepared. (Density of nitric acid = 1.51 g/mL, density…

A: Molality = Number of moles of solute/Mass of solvent in Kg Concentration (%v/v) = 100 x Volume of…

Q: Vhat is the equivalent value in kPa of 0.32 mmHg?

A: The question is based on the concepts of unit conversion. we have been given pressure in  millimetre…

Q: If 124.4 mL of water is shaken with oxygen gas at 0.81atm, it will dissolve 0.0036 g O2. Estimate…

A: Given : Mass of O2 dissolved = 0.0036 g Volume of water used = 124.4 mL And pressure of oxygen gas =…

Q: The mercury content of a stream was believed to be above the minimum considered safe—1 part per…

A: Given: Concentration= 0.68 parts per billion Volume of water= 15.0 L Density= 0.998 g/ml

Q: Orthophosphate (PO4³) is determined by weighing as ammonium phosphomolybdate, (NH4)3PO4 •12MOO3.…

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Q: A tank contains 6OL of water contaminated with Mercury at a concentration of 0.03 mg/L. Clean water…

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Q: The solubility of magnesium fluoride in water is 0.015g/L. What is the Ksp value of magnesium…

A:

Q: Calculate the molar concentration of the polycyclic aromatic hydrocarbon (PAH), anthracene (178.23…

A: We have to calculate the molar concentration of water .

Q: The salt content was extracted from a 12.0000 g junk food sample. The extract was diluted to 100.00…

A: Given that -  Mass of junk food sample = 12.0000 g  Volume of diluted extract = 100.00 mL  Volume of…

Q: What will be the new vapor pressure of the water  in a 250 mL  solution of 5 grams CaSO4 (MW= 136.14…

A:

Q: You have a solution that is 18.5%% (v/v) methyl alcohol. If the bottle contains 2.16 LL of solution,…

A: Volume concentration of a solution is expressed as % v/v, which stands for volume per volume. This…

Q: The partial molar volume of acetone (Mwt=58.08 g/mol) is 74.17 mL/mol, and the partial molar volume…

A: Given, mole fraction of acetone, Xacetone  =  0.47 Mole fraction of solute = Moles of solute / Total…

Q: 1. What is the Molarity, Normality, and Molality of H,PO, in a reagent-grade bottle that is 86%…

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Q: Which of the following is FALSE regarding water treatment? A Settling of floc during sedimentation…

A: The correct option is:

Q: One particular pungent gas is the toxic hydrogen sulphide (H2S). Hydrogen sulphide develops an odour…

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: The mercury content of a stream was believed to be above the minimum considered safe—1 part per…

A: Given : Volume of water = 15.0 L = 15000 mL                                     (since 1 L = 1000…

Q: Calculate the Volume of Carbon Dioxide gas that was produced in the reaction of baking soda and…

A:

Q: One particular pungent gas is the toxic hydrogen sulphide (H2S). Hydrogen sulphide develops an odour…

A:

Q: I.  Expressions of Concentration. How many milliliters of a solute should be used to prepare 1 pint…

A:

Q: How many milligrams of BaSO4 (molar mass is 233.391 g/mol1) are dissolved in a 225 mL sample of…

A: Solubility Product -  It is basically an equilibrium constant that stays constant with temperature…

Q: 8. All of the following affect the rate of solution EXCEPT temperature nature of substances particle…

A: To identify: The parameter that does not affect the rate of reaction.

Q: Explain how the deposition of dead plants in a lake affects dissolved oxygen concentration in that…

A: Solution Rapidly moving water, like during a mountain stream or giant watercourse, tends to contain…

Q: Calculate the molar concentration of the polycyclic aromatic hydrocarbon (PAH), anthracene (178.23…

A: Given: Concentration of well water sample = 2.18 ppb Density of well water sample =1.00 g/mL To…

Q: Calculate the w/v percentage of 4.39g of sucrose in 293 mL of water?

A:

Q: What is the solubility of BaF2 in water? The Ksp for BaF2 is 1.0x10^-6 . Solubility is _____M

A:

Q: Some water dissolves in liquid methane at -161°C to givea solution in which the mole fraction of…

A: Given: Temperature = -161°C Mole fraction of water (χwater) = 6.0×10-5 Volume of solution (V) = 1.00…

Q: Normality of 100 mL of 1.17% (w/v) CaC12 is . .

A: Normality is defined as the gram equivalent of solute dissolved in a liter of solution. The formula…

Q: Boric acid (H3BO3) is initially 3moles/liter. Fifty milliliters of this acid solution is diluted to…

A:

Q: Calculate the normality of 0.2M Na2CO3 (M.wt = 106).

A: Normality is a measure of concentration  equal to the gram equivalent weight divided by volume of…

Q: One gallon of certain lotion contains 946 mL of benzyl benzoate. Calculate the percentage (v/v) of…

A: Solution - According to the question - Given - One gallon = 3.8 liter 3.8 liter contains 946 mL of…

Q: A 60.0 L tank of chlorine gas at 27 °C and 125 atm springs a leak in a 50-m3 well-ventilated storage…

A:

Q: A solution is made using 162.1 g of dimethyl ether (MM = 46.07 g/mol) and 90.0 g of methanol (MM =…

A: Mole fraction of any component can be obtained by dividing the moles of that component with the…

Q: The solubility of CO2 in water at1 atm is 0.034 mol/L. What is its solubility at a partial pressure…

A:

Q: a-) What is the concentration of 250 mL of solution containing 0.125 grams of iron in ppm?   b-)…

A: Required Conc=0.3 M              volume=200 ml So , moles=200 x 0.3                  =60 milli…

Q: 2. Describe the Preparation of 750ml of 6.00 M H,PO, from the commercial reagent that is 85% H,PO,…

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Q: . 10.0 grams of aluminum was added to 155 mL of 0.950 M hydrochloric acid. The products of the…

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Q: A dry gas occupies 300 mL at 25 °C and 760 mmHg. If this substance were collected over water at 23°C…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What is the concentration of O2 in freshwater? Air temperature= 295.65 K.  Air pressure = 1…

A: Given: Henry's constant of O2 = 1.3 X 10-3 mol/Kg.bar. Total pressure of air = 1 bar And mole…

Q: Following the irrigation of salted soils, 10,000 L of salty irrigation runoff was filtered by a…

A: Osmosis is a phenomenon that occurs when there are two regions of different concentrations of…

Q: Calculate the number of grams of NaCl in 395 mL of a 15.5% (m/v) solution. Report answer with…

A: The (m/v) percent of a solution signifies the percentage of the mass of solute present in the given…

Q: What masses of nitrogen and oxygen are dissolved in 238 g of water at 20.0 °C when the water is…

A:

Q: The partial pressure of O2 in your lungs varies from 25.0 mm Hg to 40.0 mm Hg. KH (O2 in water at…

A: From given datas  We are using Henry's equation to find the solubility of oxygen and with that we…

Q: What is Molarity of a 10.00% (v/v) acetic acid ? Density of pure acetic acid is 1.05 g/mL.

A: Given:

Q: If 2 liters of toluene, SpG = .86, GMW = 92.1 g/mole, spills in a room 60ft x 30ft x 15ft, what is…

A: Given: Volume of toluene = 2 L. And the dimensions of room = 60 ft × 30 ft × 15 ft