How many grams of boric acid (MW = 61.83 g/mole) will be needed to prepare 500 mL of a 0.50% (m/v) solution?

Q: 1. How many moles of KNO3 are needed to make 450 ml of 1.5 molar solution?

A: Given- Volume = 450 ml = 0.450 L (1L = 1000ml) Molarity = 1.5 M

Q: How many grams of solid would be left behind if 0.041 mL of 0.550 M KCl solution was evaporated to…

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Q: How m NaOH any milliliters Of 2.00AM NaoH2 SOlution Contains 5.25g

A: From the Mole concept: Number of moles present in the solution is the ratio of given mass of the…

Q: How many grams of NaBr are needed to make 50 g of a 5.0% solution?

A: Mass Percentage Formula

Q: How many moles of Na₂SO₄ are in a 0.140 m aqueous solution that was prepared with 2.30 kg of water ?

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Q: How many millilitres of 3.0 M H2SO4 are needed to make 450 mL of 0.10 M H2SO4?

A: To calculate millilitres of H2SO4:The formula is given as

Q: Calculate the volume of 1.0 M (moles) CuSO4 solution needed to make 100mL of a 5.0 x 10 ^-4 M…

A: Dilution of the solution: On dilution of the solution with the pure water, the mole of solute…

Q: Enter your answer in the provided box. Calculate the molarity of 38.5 mL of 2.10 M HNO, diluted to…

A: Molarity can be defined as the number of moles of solute dissolved per litre of solution. It is a…

Q: how many grams of an NaCl will be in 70 mL of a 4% solution?

A: weight/volume concentration is defined as weight of solute devided by volume of solution in ml.

Q: What volume of a 0.85M stock solution would be needed to prepare 4.5 L of a solution at 0.30M…

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Q: 1. Mother adds 5 ml of distilled water to 10.00 g of a powdered drug. The final volume of the…

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Q: How many grams of methionine (MW = 149.21) are needed to make 20 mL of a 150 mM solution? What is…

A: a) Given, Molarity of the solution = 150 mM = 0.150 M = 0.150 mol/L Volume of the solution = 20 mL =…

Q: How would you prepare 100 mL of an aqueous solution with 0.40 M KI? A solution  with 0.65 M NaCN?

A: Given,  a). How would you prepare 100 mL of an aqueous solution with 0.40 M KI = ? b). How would you…

Q: How many liters of solution can be produced from 2.50 moles of solute if a 2.00M solution is needed?

A: Applying formula M= n/V

Q: What volume of water is required to make a 0.03 M MgCl2 solution staring with 4.95 g of MgCl2.…

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Q: How many milliliters of 3.0 M H2SO4 are needed to make 450 mL of 0.10 M H2SO4?

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Q: 5. What masses of KOH and water are needed to make 1500g of 20% solution? MW- K:39, O:16, H:1

A: Weight of solution = 1500 gm Percentage = 20%

Q: How many milliliters of 0.400 M solution can be prepared by dissolving 5.00g of NaBr in water?

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Q: What is the percent by weight (m/m) of a solution that contains 28 g NaCI disssolved in 88 g water?…

A: The percent by weight (m/m) of a solution is calculated as: m/m%=Mass of soluteMass of solution×100%…

Q: How do you prepare a 750 mL of 0.25M sulfuric acid solution?  The available stock is 50.0 mL of 18…

A: Molarity can be expressed as moles per litre. Hence moles will be equal to molarity multiplied by…

Q: What is the molarity of a HNO3 solution prepared by adding 275.1mL of water to 350.0mL of 12.3M…

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Q: What would the final concentration of a solution be if you dilute 10.0mL of a 4.0M solution with…

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Q: What N (normality) is made by diluting 50 ml of H2SO4 (den. = 1.08; 11.6% by weight to 1.0 liter…

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Q: How many grams of NISO, -6H,0 are needed to prepare 2.00x10 mL of a 3.5x10 M NISO, solution? 3. а.…

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Q: How many milliliters of 3.5 M H2SO4 are needed to make 250 mL of 0.10 M H2SO4?

A: Given: Concentration of H2SO4 stock solution = 3.5 M Concentration of final H2SO4 solution = 0.10 M…

Q: Determine the amount of solute needed to make 125 mL of saturated solution of sodium nitrate at 10…

A: The volume of the solution is = 125 mL The temperature of the solution is = 10oC The mass of the…

Q: 3. Calculate the mass of Na2CO3 that would be required to make 500.0 mL of 0.100M of Na2CO3…

A: Hello. Since more than one question has been posted, the answer of the first question shall only be…

Q: Calculate the mass (in g) of NaCl needed to make 100.0 mL of a 1.54 M solution (to 3 sig figs).

A: Definition of Molarity- Molarity is the number of moles of solute dissolve in one litre of solution.…

Q: How many mL of 17 M acetic acid is necessary to prepare 50.00 mL of 4.0 M acetic acid?

A: The volume of resulting solution is determined by using the relation M1V1 = M2V2.

Q: If you had only 23 g of KOH remaining in a bottle, how many milliliters of 10.0% 1m/v2 solution…

A: Introduction: Molarity: Molarity is commonly used in chemistry to express the concentration of…

Q: 1. Calculate the concentration of the following solutions: Find the w/v percent concentration: 5.0 g…

A: (a) Mass of solute, KCl = 5 g Volume of solution = 400 mL

Q: How would you prepare 100 ml of a 5 uM solution of ammonium nitrate (NH4NO3; Formula weight = 80…

A: The answer is given below:

Q: Solute: H2SO4 Composition of Solution: mole% H2SO4 = 40 % Density, g/mL: 20 degrees: 1.681 ; 80…

A: In the question, we have a solute given which is Sulphuric acid  The molecular weight of sulphuric…

Q: What volume of 30% H202 do you have to  dilute to make 20 mL to make a 3% H20 solution ?

A: Given , Concentration of stock solution of H2O2 = 30 % ( I am taking 3% H20 solution as 3% H2O2…

Q: How many mL of 0.400 M KCl would be required to make a 0.0895 M solution of KCl when diluted to…

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Q: How many stock solution of 0.6 M HNO3 would you have to prepare 110 mL of 0.500 M HNO3?

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Q: How much of 8 M soloution of HBr is needed

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Q: Triton X-100 is a liquid, detergent with a molar mass of 647.0g/mol and a density of 1.07g/ml. What…

A: Molarity of the solution is equal to the number of moles of solute present in one liter of the…

Q: What would be the final concentration of a solution made by diluting 100 mL of a 24.0 mg/L…

A: Since Phosphorous  exists as P4 molecule  therefore GMW = 31×4=124 gmol-1 Concentration  can be…

Q: How do you prepare 0.05 N, 500 ml KOH solution?

A: Molar mas of KOH is 56.10gm/mole. As equivalence of KOH is 1,so molarity is equal to normality in…

Q: How many mL of water should be added to dilute 80.00 mL of 6.000 M KI to 2.400 M KI

A: Given details: Initial volume, V1=80mLInitial molarity, M1=6 MFinal molarity, M2=2.4 M We have to…

Q: How many mL of solution can be prepared from a. 34 grams of NaNO3 if a 0.55M solution is needed?…

A: The expression that relates volume with molarity value is as follows, MolarityM=Moles of…

Q: How much of a 15.0M hydrachlaric Ciciè CHCI) shoule be Gdced to water make 100 mL cf a 3.001M…

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Q: 4. How would you prepare 500 g of a 0.90% (m/m) NaCl solution?

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: How many mL of 0.400 M KCl would be required to make a 0.0815 M solution of KCl when diluted to…

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Q: 3. How many grams of NaOH are needed to make 40 mL of a 2.0 M solution?

A: 3 part  Given,  Volume = 40 ml = 4010000.04 liter Molarity = 2.0 M = 2.0 moleliter  Molar mass of…

Q: Compute the weight (g) of solute needed to make the solutions listed below: a. 1250 ml of 0.85 M…

A: (a) Moles of solute ( AlCl3) = molarity x volume of solution…

Q: What volume (in mL) of 18M H2SO4 solution is needed to make 750 mL of 1.0M H2SO4?

A: Assuming V ml is required. Hence moles of H2SO4 we are taking in V ml is given by  moles = molarity…