If a sample of water is being determined to contain 389 ppm of lead, how many g of lead does one gallon (1 gal = 3785 g of water) of this lead contaminated water contain? Round your answer to 4 decimal digits.

Q: A solution of ammonium nitrate contains 61.2 g per liter of solution. How many grams of ammonium…

A: The solution is given below -

Q: A substance has a solubility of 12.5 g per 100 mL of solvent at 100°C and 2.45 g per 100 mL solvent…

A: Given, At 100°C Solubility of of substance is 12.5 g per 100 mL of solvent At 10°C Solubility of of…

Q: What mass of cesium bromide must be added to 0.500 L of water (d = 1.00 g/mL) to produce a 0.913 m…

A: Molality is defined as the number of moles of solute dissolved per kilogram of the solvent. That is,…

Q: A 112-mg sample of Na2CO3 is dissolved in H2O to give 2.55 L of solution. What is the concentration…

A:

Q: Purified water contains not more than 10 ppm of total solids. Express this concentration as a…

A: The concentration of the solutes particles in the solution can be expressed in many ways such as…

Q: How many grams of BaCl2 2H2O must be dissolved in 1.50 L of water to yield a 0.250 M BaCl2 solution?…

A:

Q: If 56.1 grams of NaCl are dissolved in 44.0 mL of Sulfuric acid, H2SO4 Sulfuric acid has a density…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: Dissection х-ахis у-ахis Solubility (g Pb(NO3)2/100 g water) Plot below points and Draw a line…

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Q: 20 grams of NaClare dissolved in 0.8 L of water. What volume of this solution would be needed to…

A: 20 grams of NaClare dissolved in 0.8 L of water. What volume of this solution would be needed to…

Q: What volume of 12M HCl is required to make 650 mL of a 0.5 M solution?

A: Given :- initial concentration = 12 M                Final concentration (M2) = 0.5 M…

Q: If KNO3 has a solubility of 31.6 g in 100. g of H2O at 20 ∘C, how many grams of water are needed to…

A: The maximum mass of solute that can be dissolved in the given amount of the solvent is known as…

Q: 2. Boil 1 L of distilled water for 5 min to expel CO2. Pour the water into a polyethylene bottle,…

A:

Q: What mass ( in g) of NaCl is needed to make 540 g of a 20.8% NaCl solution? Report your answer to 2…

A: Given, Mass of NaCl solution is ---- 540g Mass% of NaCl is ----- 20.8% What is the mass of NaCl…

Q: Concentrated hydrochloric acid has a concentration of 12.0 M. What volume of this solution should be…

A: Dilution :-  When a concentrated solution of molarity M1 and volume V1 is diluted by adding water to…

Q: n a particular hospital, a doctor ask you to prepare 1.50 L of 2.75 M ethyl alcohol (C2H5OH)…

A: No.of moles =  Molarity  × Volume   Mass =  No.of moles × Molar mass

Q: What mass in grams of dextrose is required to prepare 4.224 L of D51/4NS solution?

A: Given that : We have to calculate the mass of dextrose required to prepare 4.224 L of D51/4NS…

Q: A sample of seawater contains 1.9 g of calcium ions in 5364 kg of solution. What is the calcium ion…

A: Given  Mass of solute (calcium ions) = 1.9 g Mass of solution = 5364 kg = 5346×103 g Concentration…

Q: The water in a certain pool has a concentration of 3.38 mg/L of Fe^3+ ions. Express this value as…

A: Given  Concentration of Fe3+ = 3.38 mg/L Concentration in parts per billion =?

Q: ADWA) sets a limit for mercury- a toxin to the central nervous system- at 0.0020 ppm by mass. Water…

A: In this question we have to find out the volume of water in litre by a person have to consume to…

Q: A 2.800x10-2 M solution of glycerol (C3 H8 O3) in water is at 20.0° C. The sample was created by…

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Q: Which solution is placed inside the buret? NaOH O vinegar O water OKHP

A: Which solution is placed inside the buret?

Q: The Earth’s oceans have a salinity of 35. What is the concentration of dissolved salts in seawater…

A: Given that salinity of earth’s ocean is 35. Thus, mass of salt in one kilogram of water is 35 g and…

Q: What volume of a 0.550 M solution of potassium hydroxide can be made with 18.3 g of potassium…

A: Formula used:  Mole = weight/ Molar weight Molarity = no of Mole / volume in L  Given that  Weight…

Q: How many grams of CaCl2 are needed to make 716.9 g of a solution that is 28.0% (m/m) CaCl2 in water?…

A: The solution's percentage concentration (m/m) gives the percentage of the mass of solute dissolved…

Q: 139.1 mg of NaCl (MM=58.44 g) is dissolved in 373.08 L of water. What is the concentration of Na+…

A: We have given that  139.1 mg of NaCl is dissolved in 373.08 L of water. What is the concentration of…

Q: What volume of 0.5 M NaCl solution contains 212.9 grams of NaCl?

A: Molarity is the number of moles of solute dissolve in one litre of the soltion.

Q: A sample of water is analyzed for various ions.  If the sample has the following ion concentrations:…

A: Concentration in ppm = (Weight in mg) ÷ (Volume in Litre)

Q: The solubility of potassium nitrate is 155 g per 100 g of water at 75°C and 38.0 g at 25°C. What…

A:

Q: 94.0 g sample of ground water is found to have a lead concentration of 18.37 ppm. Calculate the mass…

A: 1. Mass of sample or solution = 94.0g  Concentration of lead = 18.37ppm  ppm is parts per million.…

Q: A 4.55 L sample of water contains 0.115 g of sodium ions.  Determine the concentration of sodium…

A: Given values -> Volume of water = 4.55litere Weight of sodium ion = 0.115gm Density of the…

Q: What is the molarity of a solution that is made from 37.1 g of MgCl2 in enough water to make 910 mL…

A:

Q: Flocculation is best described as: O A way to kill pathogens in drinking water O A way to remove…

A: Flocculation is a two step particle aggregation process in which a large number of small particles…

Q: A student placed 15.5 g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve…

A:

Q: 1. What is the molarity of an aqueous solution containing 22.5 g of sucrose (C12H22011) in 35.5 mL…

A:

Q: The aqueous solution of hydrochloric acid (HCl) with a concentration of 1.12 M has a density of 1.19…

A:

Q: Q3- For solution of Sodium carbonate Na2Co3 , determine: a. The Molarity and Normality of 3 L of a…

A: Molarity = number of moles of solute/Volume of                       solution in L Number of moles =…

Q: the concentration of sugar in water is determined to be 0.45 g/mL and 100. g of sugar was used to…

A: Concentration is the amount of solute present per ml of solution.  It's unit is g/ml.

Q: The solubility of lead nitrate at 100 degrees C is 140.0g/100g of water. A solution at 100 degrees C…

A: Solubility is defined as the maximum amount of solute that can be dissolved in a defined volume of…

Q: How many grams of calcium chloride are required to make 0.450 L of a 2.4 % CaCl2 (m/v) solution?

A: Concentration is defined as the amount of solute in a particular solvent. Concentration of the…

Q: Concentrated sulfuric acid is 18.0 M and has a density of 1.84 g/mL. Calculate the percent mass of…

A:

Q: The minimum level of mercury levels in water considered safe is 1 part per billion (ppb) by weight.…

A: The volume of water is = 8.52 L The concentration of mercury in the water sample is = 0.59 parts per…

Q: 1. A solution has a concentration of 1.25 g/L. What is the concentration in ppm? 2. Calculate the…

A:

Q: 1.) You are asked to make 1500 mL of TE (1X) using TE (100X). The volume of water used is: a) 95 mL…

A: When we need to make a solution from the stock solution, a dilution factor is used. The product of…

Q: A particular water sample that is saturated in CaF2 has a Ca²+ content of 105 ppm (that is, 105 g…

A: Given: The Ca2+ content of the water sample that is saturated in CaF2 = 105 ppm We have to calculate…

Q: A chemist mixes 72. g of water with 6.2 g of butanoic acid and 27. g of methanol. Calculate the…

A:

Q: 2. A beaker of water and a beaker containing a sugar solution were placed in a closed container at…

A: Since the sugar solution has lower molar fraction of water than other water beaker.(pure water)).…

Q: Calculate the total volume of pure ethanol in just one 23.5 fl. oz. (695 mL) can of American malt…

A:

Q: Calculate the quantity of sodium floride in grams that are needed to prepare 3 L of a stock solution…

A: Given:Final solution= 25cL of stock solution diluted to 7.5L i.e. 0.25 L stock solution diluted to…

Q: A chemistry student needs 20.0 g of thiophene for an experiment. She has available 1.5 kg of a 6.84%…

A: GivenConcentration of solution = 6.84 % w/wMass of available solution = 1.5 kg = 1500 gMas of…

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.