Calculate the molarity (M) of 34% aqueous H3PO4 solution (d=1.2g/ml). (P:31, O:16 H:1 g/moles)

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A: We have to calculate solubility of KNO3 in 100.0 g of water at 40°C.

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A: Normality: The number of grams equivalent of the solute dissolved in 1 L of the solution is known as…

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Q: Calculate the mass percent (m/m) of a solution containing 15.5 g of Na2SO4 and 75.5 g of H2

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Q: How much Zn(NO3)2 is in 354 g of a 5.80 % (m/m) percent solution? O 174 g O 4.44 g O 12.3 g O 61.0 g…

A: A mass/mass percent is given as the mass of a solute divided by the mass of solution (expressed as…

Q: 3. What mass of BaCl2 is needed to dissolve in 1.2kg water to prepare a 0.500m BaCl2 solution?

A: Given: mass of water=1.2 kgmolality=0.500 m To find: mass of BaCl2

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A: The mass of C2H9I2NO (PVP-I Solution) given in the question = 9.062 grams Atomic mass of different…

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Q: What is the molarity (M) of a 2.0% (w/v) NaCl solution?

A:

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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: Calculate the mass percent (m/m) of a solution containing 26 g of K2CO3 and 724 g of water.

A: Given, The mass of potassium carbonate ( K2CO3) is = 26 g. And the mass of solution water is = 724…

Q: How do you prepare a 500mL solution of 3.0M H3PO4 from a concentrated solution that has a specific…

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

Q: What is the molarity of a solution made my diluting 0.37 L of 2.47 M NaCl solution to 1.13 L?

A: 0.37 L of 2.47 M NaCl solution is diluted to 1.13 L solution.We have to calculate the molarity of…

Q: How many grams of glucose (C6H12 O6 ) would you need to prepare 2.0 L of 2% glucose solution (M/V)?

A: Given data contains, Mass/volume percent of glucose is 2%. 2% (m/v) means 2g of glucose in 100mL of…

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: At what temperature will a 1 m aqueous solution boil if the solute's K, is 4°C/m? ΔΤ Кът %3D…

A: The elevation in boiling point of solution is given by the formula          ∆Tb = Kbm…

Q: What is the freezing point of a solution prepared from 53.3 g ethylene glycol (C2H6O2) and 86.4 g…

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Q: What is the percent by weight of a solution prepared by dissolving 8 g of NaCl in 82 g of H;O?

A: Given data: The weight of NaCl = 8 g. The weight of water = 82 g. To find: The percentage by weight.

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A:

Q: What is the mass percent (m/m) of NaCl in a solution made by dissolving 2.0 g of NaCl in 56.0 g of…

A: Given: A solution is made by dissolving 2.0 g of NaCl in 56.0 g of H2O.

Q: How will you prepare 250 cm3 of a 1 M NaOH solution using NaOH pellets?

A: Given, 250 cm3 of 1 M NaOH solution  Volume = 250 cm3 = 0.25 L  Molarity = 1 M  Molar mass of NaOH…

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Q: What is the concentration (in mol/L) of dissolved nitrogen N2 in water in Boone at 22.1°C and…

A: A numerical problem based on Henry's law, which is to be accomplished.

Q: 1. How many grams of glucose (C6H12 06) would you need to prepare 2.0 L of 2% glucose solution…

A: Given data: Volume of glucose solution = 2 L Concentration of glucose solution = 2% (M/V)

Q: 11. What is the mole percent of ethanol (C2H5OH) in 180 proof vodka, which consists of 71.0 g of…

A: Given, Ethanol =71.0 g Water = 10.0 g

Q: 3. Find the percent by mass in which 41.0g of NaCI is dissolved in 331g of water.

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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: What are the mole fraction and the mass percent of a solution made by dissolving 2.25 g of KI in…

A: Mass of KI = 2.25 gVolume of water = 0.400 LDensity of water = 1.00 g/mL

Q: 4. How would you prepare 2.5 L of a 1.0 M KCI / 20 mM NaCl solution? Molecular weights 74.6 and 58.5…

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Q: How much of a 29.0 M  hydrochloric acid solution would you dilute to prepare 50.00 mL of 8.50 M HCl?

A: This is an example of dilution HCl so  we can use the formula of dilution i.e…

Q: What is the concentration in mEq/L of a Na+ solution that is 115 mmole/L ?

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A: Given  Mass of MgCl2  = 27 gram  Mass of H20  = 559 gram  1000 gram  = 1 kg 559 gram    = 0.559 kg…

Q: What is the molarity of 58.0 g of NH.Cl in 3.25 L aqueous solution?

A: Given data: The mass of NH4Cl is 58.0 g. The volume of the solution is 3.25 L. To calculate: The…

Q: (1) How many grams of K2SO4 are contained in 50 mL of 0.200 M? (2) How many millimoles of K2SO4 are…

A: When one mole of any compound is dissolved in 1000 ml of solution is called the 1molar solution .

Q: How would you prepare 275 mL of 0.600 M K₃PO₄ solution?

A: Given that: volume of K₃PO₄ = 275 mL = 0.275 L molarity of K₃PO₄ = 0.600 M  To prepare the 275 mL…

Q: what is the concentration in mass percent )m/m) of a solution prepared from 100. g NaCL and 150. g…

A: Given, the mass of NaCl =100.0 grammass of water =150.0 gramwe are asked to calculate the…

Q: solution? 3. What is the molarity of 500-mL solution which contains 40 g urea (CH«N2O)?

A: Given-> Volume = 500 ml = 0.500 L (1 L = 1000 ml) Weight of urea = 40 gm Molarity =?

Q: 1- What is the weight percent of ethanol in a solution made by dissolving 5.3 g of ethanol in 85.0 g…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: Most fish need at least 4 ppm dissolved O2 in water for survival.(a) What is this concentration in…

A: The gases' properties (weak intermolecular forces) is responsible for their negligible solubility.…

Q: What is the concentration in %m/v of a 0.729 M aqueous solution of ethanol (MM = 46.07 g/mol)? %3D

A: % m/v mean grams of solute per 100 mls of solution.

Q: 5O.O g of CA₃(PO₄)₂ is dissolved in 5OO mL of H₂O. What are the molarity, molality, and normality?

A: To calculate molarity , molality and normality we have to use the formula of these term . Detail…

Q: A 1.75 m aqueous solution boils at 101.1°C with Kb = 0.5121 deg C/m. What is the identity of solute?

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Q: At 0 degrees Celsius and 2.00 atm, as much as 1.40 g of O2 can dissolve in 1 L of water. At 0…

A: The amount of an ideal gas that dissolves in a definite volume of liquid is directly proportional to…