The EPA has set the MCL for the concentration of cadmium as 5.05.0 ppb. What is the concentration of cadmium in parts per million (ppm)?

Q: What is the molarity of a 38g solution of sodium carbonate if it is dissolved in 200ml?

A: Given: Mass of sodium carbonate (Na2CO3)  = 38.0 g Volume of Na2CO3 solution= 200 mL = 0.200 L Molar…

Q: The concentration of calcium ions in seawater is approximately 0.0106 M. The lab has a 0.500 M stock…

A: Given : Concentration of calcium ions in seawater = 0.0106 M Concentration of stock solution of…

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A: Part A: Sodium Carbonate When dissolved in water, the species present will be Na+ and CO32-.

Q: hat is the molar concentration of a 5.40 L solution that contains 38.5 g of dissolved sodium…

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Q: What is the total number on grams of LiBr needed to make 2.4 liters  of a 1.3 molar solution?

A: Given,Volume of LiBr solution = 2.4 LMolarity of LiBr solution = 1.3 M = 1.3 mol/LMoles of LiBr can…

Q: Calculate the molarity and ppm concentrations of a solution of 25.0 mg of lead dissolved in 200 mL…

A: * Molarity = moles / volume of solution in L * 1 mg/L = 1 ppm By using this 2 relation we can…

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A: Given that, we have to tell the major species present when the following compounds dissolved in…

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A: a) CH3OH : Since the solute CH3OH is dissolved in water.

Q: 12.0g of sodium hydroxide is dissolved in 2.5L of solution. What is the molar concentration of…

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Q: 240 220 200 NACIO3 180 KNO 160 140 KBrt 120 100 80 60 NaCl 40 20 20 40 60 100 120 Temperature (°C)…

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Q: How many mL of sodium hydroxide (NaOH) are there in 425 mL of a 6.40% (v/v) solution of NaOH?

A: Since % v/v is given by  % v/v = volume of solute X 100 / Volume of solution  Since volume of…

Q: (4) How many moles of KF are contained in 244 mL of 0.135 m KF solution? The density of the solution…

A: Molality of KF solution,m = 0.135 m Density of solution = 1.22 g/mL Molar mass of KF,M’ = 58 g/mole…

Q: 1.) What mass of NiCl2 must be dissolved in 75 mL of water to make a 2.5% solution? Density of water…

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Q: If a solution has a concentration of 2.5M HCI, what is the concentration in Normality? 10.0N O 5.0N…

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Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A: The dissolution of a compound depends on the like dissolve-like principle, that polar solute will be…

Q: A 500 mL sample of waste water contains 26.1 µg of mercury, Hg. If the density of the sample is…

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Q: How many mL of sodium hydroxide (NaOH) are there in 435 mL of a 6.40% (v/v) solution of NaOH?

A: Since % (v/v) is defined as the % of volume of solute per 100 ml of solution  i.e % (v/v) = volume…

Q: the concentration of stomach acid, HCL is 0.100 M. What volume of stomach acid contains 0.25 mg of…

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Q: 1. What mass of the following chemicals is needed to make the solutions indicated? a. 1.0 liter of a…

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Q: The EPA has determined that the maximum safe level of lead ion in drinking water is 15 ppb. If a…

A: The solute is defined as the component of the solution present in a smaller proportion while a…

Q: Calculate the molar concentration of isopropanol in an aqueous solution that contains 3.00 g of…

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Q: What is the concentration of magnesium bromide,

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Q: The mass of carbon dioxide present in 250 mL of the solution is

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Q: Calculate the amount of: a) Glucose, in grams, that must be dissolved in water to obtain 75 ml of a…

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Q: A student has a stock solution of 30.0% w/v H2O2 (hydrogen peroxide). Describe how the student…

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Q: Each row of the table below describes an aqueous solution at about 25 °C. Complete the table. That…

A: Answer:- This question is answered by using the simple concept of calculation of hydronium ion…

Q: Beaker A: 100% dissociation volt Beaker B: 50% dissociation volt Use the picture to answer the…

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Q: Between which two gases would you expect N2 to fit onthis graph?

A: Solubility of the compound is defined as the ability of the compound to be dissolved in water or any…

Q: Consider a 0.37 M solution of CaCl2. What is the concentration of chloride ions in this solution in…

A: CaCl2 dissociates as: CaCl2→Ca2++2Cl- Thus it dissociates to give Ca2+ and 2 Cl- ions.

Q: Determine the number of grams of KNO3 which will dissolve in 100g of H2O at 100 degrees Celsius.

A: The given temperature of the solution is 100 oC Mass of the solvent, water = 100 g

Q: Below are particle-level representations of four different solutions. Water molecules are not shown.…

A: The correct order of increasing pH is given below.

Q: concentration

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Q: Calculate the molarity of a solution containing 5.3 gm of Sodium carbonate in 250 ml.

A: Given :-  mass of sodium carbonate = 5.3 g  volume of solution = 250 mL  To be calculated :-…

Q: In a healthy adult, mercury is removed from the body naturally but slowly. If a 500.0g piece of…

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Q: A solution has a concentration of 1.24g/L. What is its concentration in ppm?

A: Given the concentration of a solution is: 1.24g/L. What is its concentration in ppm?

Q: A solution of lead sulfate (PbSO4) contains 0.425 g of lead sulfate in 100.0 g of water.  What is…

A: Given that : Mass of PbSO4 = 0.425 g Mass of water = 100.0g Total mass of the solution = 0.425g +…

Q: The concentration of glucose in blood is usually about 0.11% (m/v).  If 7000.0 mL of blood are in an…

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Q: The process of water molecules surrounding ions to dissolve them is called O salutation O a…

A: Water molecules are surrounding the ions and dissolve them.

Q: parts per billion, ppb?

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Q: According to the EPA, when the concentration of lead in tap water reaches 15 ppb, certain remedial…

A: Ppb is parts per billion Ppm is parts per million 1000 ppb = 1 ppm 1 ppb        = 0.001 ppm 15 ppb…

Q: how pickling help in preservation? considering the principles of osmosis

A: The principle of osmosis helps in presentation of pickels . explanation is given below.

Q: A sugar solution contains 750 mg of sucrose in a volume of 1.5 L.  What is the concentration of…

A: The expression that is used to calculate concentration in mass by volume is shown below in which m…

Q: Which of the following aqueous solutions will have the lowest freezing point? 0.10 m sodium…

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

Q: the concentration of an acid solution

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Q: An aqueous solution containing 30.0% ammonium sulfate by mass has a density of 1.17 g/mL. The molar…

A: Given - - > Mass of solution = 100 g Density of solution = 1.17 g/ml Volume of solution  =…

Q: What volume of stomach acid contains 0.250 mg of HCI

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Q: 5. Based on the graph, overall, what happens to the solubility of gascous solutes like CO, when…

A: Answer: This graph is giving us the interpretation of solubility of a gas (CO2) with respect to…

Q: salt

A: According to the question, a solution is made by putting 100g of NaNO3 into 200 mL of water at 70°C…

Q: what is the freezing point of 1 m solution pf hcl in water

A: Freezing-point depression, ∆Tf = i.Kf.m Where, i = the van't Hoff factor ( i= 2 for HCl) Kf - the…

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.