Calculate the mole fraction of solute if the density of the solution is 1.289 g/mL.

Q: Calculate the molarity of a solution in which 360. grams of glucose, C6H12O6, are dissolved in…

A: m = 360 g V =  250 mL        [ 1L = 1000ml]    = 0.250 L  Molar  mass of  C6 H12 O2 =  180.16 g/mol

Q: A student needs to prepare 50.0 mL of 0.80 M aqueous H2O2 solution. Calculate the volume of 5.1 M…

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Q: What is the concentration Molarity of a solution where 29.2 g of NaCl is dissolved in enough water…

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Q: Dimethyl sulfoxide, C2H6SO, is a compound which is used in some countries to carry drugs through the…

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Q: A 24.7% solution of HCl by mass has a density of 1.12g/cm^3. Calculate the molarity of HCl in the…

A: A 24.7% solution of HCl by mass has a density of 1.12g/cm^3. We have to calculate the molarity of…

Q: A chemist starts with 28mL of a 0.4M NaCl solution and dilutes it to 989mL. What is the Molar…

A: Initial concentration, M1 = 0.4M Initial volume, V1 =  28mL Final concentration, M2 = ? Final…

Q: calculate the grams of NaCI needed to prepare 155mL of a 11.5% (m/v) solution?What is the molarity…

A: Given that,  Volume of NaCl solution = 155ml m/v percentage of NaCl solution = 11.5%

Q: a) We have a solution with the following mass composition: 15% glucose (C,H12O.), 60% water (H,0)…

A: The molar mass of C = 12g/mol The molar mass of O = 16g/mol The molar mass of N = 14g/mol The molar…

Q: What is the concentration, in mass percent, of a solution prepared from 50.0 g NaCl and 150.0 g of…

A: The mass of solute, NaCl is = 50.0 g The mass of solvent, water is = 150.0 g The mass percent of the…

Q: Determine the percent sulfuric acid by mass of a 1.31 m aqueous solution of H2SO4.

A: The molality of the sulfuric acid solution is = 1.31. m We know that the molar mass of sulfuric acid…

Q: 6. Acetone, C3H6, is the main ingredient of nail polish remover. A solution is made up by adding…

A: Given: 35ml of acetone and density : 0.790 g/ml.50ml of EtOH and density of 0.789 g/ml. We know…

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

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Q: The electrolyte in automobile lead batteries is a 3.06 M sulfuric acid (H 2SO 4) aqueous solution.…

A: Given , Strength = 3.06 M density = 1.165 g/mL   We know,        Mass = density x volume…

Q: Which solution has the highest boiling point? O 050 M NaCI O 0.50 M AlCk O 0.50 M CH,OH

A: For the  highest boiling point we have to see the number of Solute particles present in the…

Q: Which of the following aqueous solutions would have the highest boiling point? O 0.15 M Fe(NO3)3 O…

A: The question is based on the concepts of solution. elevation in boiling point is a colligative…

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

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Q: How to calculate the mass of the solute in 4.5 L of 18.5M sulfuric acid ?

A: In the above problem, sulfuric acid is the solution in which the solute is mixed. Given data :…

Q: Caffeine (Cy H10N402) is a stimulant found in coffee and tea. A solution of caffeine in the solvent…

A: PART A: Given  Concentration = 0.0520 m = 0.0520 mol/kg It means 0.0520 moles of solute (caffeine)…

Q: 2) Choose the aqueous solution that has the lowest melting point. These are all solutions of…

A: Ans) 0.125m NaNO3

Q: How many moles of solute particles are present in 1 L of each of the following aqueous solutions (if…

A: Given, Volume = 1 L Molarity of NaBr = 1.3 M Molarity of HNO3 = 0.065 M Formula Used:…

Q: Calculate the molarity of the two solutions. The first solution contains 0.550 mol of NaOH in 1.45…

A: Given, (i)  Number of moles of NaOH =0.550 molvolume of NaOH solution =1.45 L  and,(ii) mass  of…

Q: For a solution composition of 10.0 g solute and 90.0 g solvent; choose the correct numerical…

A: Given : weight of solute = 10.0 g And weight of solvent = 90.0 g

Q: Choose the aquaeous solution with the lowest freezing point. All solutions are nonvolatile. a.…

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Q: Which of the following has the lowest freezing point? O 0.150 m KCI 0.150 m NaCI 0.150 m NaOH 0.150…

A: We have to predict Solution having lowest freezing point.

Q: Which solution has the highest boiling point? O 0.40 M CUSO4 O 0.40 M CH3OH O 0.40 M MgCl2

A: We have to find here that which of these three has the highest boiling point? We can discuss it as…

Q: Calculate the molality of a solution prepared by dissolving 48.0 g of NaOH (FM = 40.00 g/mol) in…

A: It is given that48 g of NaOH is dissolved in 1250 g of water and a solution is formed,

Q: Calculate the molarity of a solution prepared by dissolving 0.429 g of Ba(OH)2 in 250 cm3 of…

A: Given    mass of Ba( OH )2      = 0.429 gram     Volume of solution   = 250 cm3…

Q: Calculate the following to the proper significant figures:  The molecular mass of iron(II)…

A: Molar mass can be found out by simple adding the atomic masses of each species. moles can be…

Q: A student was asked to calculate the mass of Ca(OH)2 needed to create 2.5 liters of 3.0 M aqueous…

A: The applied Formula is wrong .Question is weight of the compound not the mole .  1 M means 1 mole of…

Q: a. n b. M c. N d. X e. m 1. Which symbol expresses the concentration used for volumentric analysis?…

A: Here we need to first know what the symbols in the solution means:- a. n = no. of moles b. M =…

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

A: The pH and the hydronium ion concentration are related to each other as; pH = -log H3O+…

Q: If 19.6 grams of an aqueous solution of sodium bromide,NaBr,contains 1.92 grams of sodium…

A: Given: Mass of Sodium bromide=1.92 g Mass of solution=19.6 g  To Find: weight/weight % Solution:…

Q: 1. A solution containing 1.0% (w/v) MgCl2 has a lower concentration compared to a 1.5M MgCl2…

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Q: What mass of ammonium sulfate, (NH4)2SO4 must be added to prepare 200.0 g of a 3.5% solution of…

A: 3.5% Solution of (NH4)2SO4 means 100g solution of ammonium sulfate contains 3.5g (NH4)22SO4.

Q: Calculate the number of moles of sodium hydroxide in 50.0 mL of 2.50 mol/L NaOH.

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: The concentration term "3 M NaOH" means that the solution contains: O 3 moles of NaOH per Liter of…

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Q: Choose the answer that shows the following solutions in order by their decreasing freezing points…

A: Choose the answer in order of decreasing freezing point of the following ??

Q: Calculate the mass percent of a solution that is prepared by adding 75.0 g of N 2 OH to 485 g of H 2…

A: Given: mass of N2OH = 75.0 g mass of H2O = 485 g

Q: What is the freezing point of a 1.389 m solution of C6H12O6? What is the boiling point of the same…

A: The Freezing point of the solution is 272.4388 K The Boiling point of the solution is 375.7335 K

Q: 5. In lab, you need to prepare at least 100 mL of each of the following solutions. Explain how you…

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Q: 6. Acetone, C3H6, is the main ingredient of nail polish remover. A solution is made up by adding…

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Q: Calculate the concentration of solutions required in each problem. a. A wine contains 12 % alcohol…

A: The concentration of a solution is the measure of the amount of a substance (solute) present in a…

Q: Choose the answer that shows the following solutions in order by their decreasing freezing points…

A: Given:

Q: What is the molarity of an 18% (w/v) KH₂PO₄ solution? (Just write the numbers in 2 decimal places…

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Q: 4 a)The mole fraction of iron(III) nitrate, Fe(NO3)3, in an aqueous solution is 6.42×10-2 . The…

A: The composition of a mixture can be expressed in different units like mole fraction, mass percent,…

Q: 6.02 x 10^20 molecules of urea are present in 100 mL of its solution. The concentration of solution…

A: First we will find moles of urea present using mole concept. Then find concentration of urea.

Q: A solution of 100 ml of 1.17 % (W/V) NACL is prepared in a laboratory , calculate the NACL…

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Q: Jumbled below are the steps to making a solution. Place the steps in the correct order (step 1 = 1,…

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Q: What is the mole fraction of solute in a 3.70 m aqueous solution?  xsolute =

A: Molality is the number of moles of solute in 1 kg of solvent.  Here, the solvent is water, as the…

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…