A concentrated ammonia solution is labelled 35% (w/w). How many grams of ammonia are in 300g of the solution?

Q: A solution contains 4.1 x 10-4 g of Cl-1 per kilogram of solution.  What is this in ppm?

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Q: A pharamacist prepares a solution by adding 3.00 mg of sodium ions to 114 g of water. How many ppm…

A: Number of moles of a chemical compound is used to measure the amount of the compound in the given…

Q: How many milliliters of a 0.5% of a solution contain 4g of a drug?

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Q: Potassium is often mixed with saline in IV drips. You prepare a solution by diluting 250 mL of a 2.6…

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

Q: number of grams

A:

Q: Q1: A solution of 100 mL of 1.17 % (WV) NaCl is prepared in a laboratory; calculate the NaCl…

A: Given, Volume of solution = 100 mL = 0.1 L % (W/V) = 1.17% molar mass of Na= 23, Cl = 35.5

Q: Lab analysis reveals that a water sample has a concentration of 2.66 × 10‑3 M Ca2+. Assuming a…

A: Given, 2.66 × 10‑3 M Ca2+ density = 1.01 g/mL

Q: A solution is made up of 20.0 mL of ethyl alcohol and 50.0 mL of water. What is the volume percent…

A: Volume percent or percentage by volume v/v is one of the concentration terms that indicates the…

Q: 8. A solution is made my mixing 90.0mL of alcohol with enough water to give 250.0mL of solution.…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: 2. A KCI solution has a concentration of 300 ppb. What mass of KCl is contained in 900 mL of this…

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Q: 1) a kcl a Kcl solution has concentra - a tjon of 2 4 ce ppb what of Kcl is contained mass of this…

A: Concentration of a solution defines the amount of solute present in a given amount of solution. 1…

Q: Convert the following concentration to parts per million (ppm); 300g Cu in 2000ml of water.

A: Given data: Weight of Cu = 300 g Volume of water = 200 mL

Q: How many grams of KNO3 are in 125g solution containing 14.5% solute?

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Q: An aqueous solution of nickel(II) fluoride, NiF2 , contains 3.42 grams of nickel(II) fluoride and…

A: Given,  Mass of NiF2 = 3.42 g  Mass of water = 17.2 g  What is the weight/weight percent of NiF2 in…

Q: What is the total mass (in grams) of a solution that contains 22.5 grams of MgCl2 where the solution

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Q: A solution is 18.5%(v/v) methyl alcohol. If the bottle contains 2.06L of solution what is the v in…

A: GIVEN: (a)A solution is 18.5%(v/v) methyl alcohol find: If the bottle contains 2.06L of solution…

Q: How many 0.5 g tablets of aluminum acetate are needed to make 1250mL of 1:500 aluminum acetate…

A: Mass of each tablet = 0.5 g

Q: percentage of 250 ml of aqueous sodium chloride solution containing 10 g of Na

A: A solution has two components. One is solute and another is solvent. Here NaCl is solute and water…

Q: Which of standard substance (or standardized solution) is correct for standardization of I2: As2O3;…

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Q: The maximum safe level of a chemical in drinking water is determined to be 52 μg per kg of water.…

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Q: Calculate the milliliters of an 8.0% (v/v) ethanol solution that contains 20.0 mL of ethanol.

A: Given information:Volume of ethanol (solute) = 20.0 mL8.0 % (V/V) ethanol solution

Q: A solution is made out of 25.0 g of benzene and 0.000958 g of aspirin. What is the concentration in…

A: Given information,    Mass of benzene = 25.0 g    Mass of aspirin = 0.000958 g

Q: A 425ml solution contains 12.3% (v/v) of benzene. What volume of benzene is in the solution?

A: Given: %(v/v) of benzene = 12.3 % And volume of solution = 425 mL

Q: isopropyl alcohol is mixed with water to produce a solution that is 40.0% alcohol by volume. how…

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Q: How many equivalents per liter are in a 2.3 M solution of NazPO?

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Q: How man mL of 15% (m/v) NaCl solution would contain 28.3g of NaCl?

A: Mass / volume percent tells about the percentage of  mass of solute dissolved in a volume of…

Q: A 4.028 m aqueous ethylene glycol (C2H6O2, 62.07 g/mol) solution has a density of about 1.024 g/mL…

A: Assuming we are using V ml of solution. Hence mass of solution = density X volume = 1.024 X V =…

Q: Chlorine bleach is a solution containing sodium hypochlorite and water.  The typical bottle of…

A: Given that  mass of sodium hypochlorite = 3.25 g concentration mass by volume = 5.5 %

Q: If an aqueous solution is 0.010% by mass, how many ppm is it?

A: Percentage by mass indicates that the amount of solute in grams  present in 100 gram of solution.…

Q: you are given 15ug/ml atrazine to prepare a 3 ppb solution  a. use te terms working and stock to…

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Q: grams of 2 nacl solution that contains 7.50g of nacl

A: Given :  Concentration of NaCl solution = 2%  Weight of NaCl in solution = 7.50 gm

Q: ow many grams of CuSO4 would you use to make 1 L of an 8g/L CuSO4 solution

A: Given: concentration of CuSO4 = 8 g/L Volume of solution = 1 L

Q: How much stock solution of benzocaine 10% will you need to make 500 mL of benzocaine 5% solution?

A: We have to calculate the volume of stock solution needed.

Q: A 20µM solution is prepared by diluting ml of a 0.1mM solution into 500ml of wate

A: Number of moles of solute before dilution is equal to number of moles after dilution  M1V1 = M2V2…

Q: Q1: A solution of 100 mL of 1.17 % (WN) NaCl is prepared in a laboratory; calculate the NaCl…

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

Q: A solution is 8.25% by mass ammonium acetate. How many grams of ammonium acetate would be in 235 ml…

A:

Q: If a 1000ml liquor beer is 36% alcohol by volume, how many ml of the solution are ethanol? Find the…

A: Given, Volume of the solution (liquor Beer) = 1000 ml 36% alcohol by volume  Formula Used,…

Q: How many milliliters (mL) of a 5.25% (w/v) HCl solution must be used to prepare 240 mL of a 0.175%…

A: Given that: Concentration of stock HCl(C1) = 5.25%(w/V) Concentration of final HCl solution(C2) =…

Q: a solution is 18.2 % m/v in nitric acid

A: Answer: 8.0626 g

Q: How many milliliters of each component are present in 805 mL of this solution?

A: %v/v = {volume of solute(mL)/volume of solution(mL)} × 100  Solute = isopropyl alcohol  Volume of…

Q: How many grams of KCI solid do I need to make 500ml of 12% KCI solution?

A:

Q: How many grams of Sucrose solid do I need to make 20ml of 20% Sucrose solution?

A:

Q: Normal Saline solution is 0.9% salt (w/v) in water.  a) How many grams of salt do you need to make…

A: 0.9% salt (w/v) in water means 0.9 g salt in 100 g water.

Q: How many liters of a 0.88 M solution can be made with 25.5 grams of lithium fluoride?    How many…

A:

Q: How many milligrams of H2S04 are needed to make 300 mL of 4.2 N solution? (number only; two decimal…

A: We have given that Volume of H2SO4 = V = 300 mL = 0.3 L Normality of H2SO4 = N = 4.2 N

Q: many g of Potassium dichromate is needed to 100 mL of 0.20 N Potassium chromate solution?

A: Given,  Normality (N) = 0.20 N Volume (V) = 100 mL = 0.10 L n-factor = 6

Q: What is the volume in milliliters of a 85% (v/v) rubbing alcohol solution that contains 15 mL of…

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Q: Calculate the amount of sugar needed to make 100 ml of 40 degree brix syrup. Specific gravity of 40…

A: Ans. Let us calculate first denaity of brix solution :- Specific gravity=Density of 40 degree…

Q: Mass of sodium chloride used to create a 100 ml solution at a concentration of 1.5 M

A: We need to find mass of sodium chloride.