How many grams of elemental bromine is required to make 50.0g of a 7.00% by mass solution of bromine? Please explain/break down steps in solution. Thank you!

Q: An ethylene glycol solution contains 21.2 g of ethylene glycol (C,H,O2) in 85.4 mL of water.…

A: The freezing point of a solution is determined by: ∆Tf = Kfm The given information is: Mass of…

Q: How many grams is required in preparing 2M of NaOH in 2/3 Liters of solution. (mwt of NaOH is 40…

A: Molarity is a concentration term for a solution. The molarity of the given solution is defined as…

Q: Calculate the boiling point of a solution containing 10.5 m of ethylene glycol and water solution

A: Equation for change in boiling point (ΔTb )  is given by,      ΔTb = i × kb × m  i = van't hoff…

Q: A solution is made using 182.1 g of dimethyl ether (MM = 46.07 g/mol) and 90.0 g of methanol (MM =…

A: Molar mass means the number of grams in a mole of any given substance. These substances can be an…

Q: At a certain temperature the vapor pressure of pure water is measured to be 185. mmHg. Suppose a…

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Q: 1. The process of freezing is shown below for two samples. The smaller circles represent a solute.…

A: option- C is correct as solute addition cause depression in freezing point.

Q: A solution is made using 134.1 ml of phenol (density 1.090) and 500.0 ml of water (density 1.000).…

A: Given  Volume of phenol = 134.1 ml density of phenol = 1.090 gm/cm3 Volume of water   = 500 ml…

Q: An aqueous solution is prepared by diluting 4.20 mL acetone (d = 0.789 g/mL) with water to a final…

A: Volume of acetone is 4.20 mL. Density of acetone is 0.789 g/mL. Density of solution is 0.993 g/mL.…

Q: A 0.058 g sample of a unknown substance was dissolved in 2.635 g of benzene, C6H6. The molality of…

A: Given: The given mass of unknown substance, (m1)= 0.058 g. The given mass of benzene, (m2)= 2.635 g.…

Q: Calculate the mass (in grams) of magnesium chloride that would be needed to prepare 150 mL of a 20%…

A: The Given data- The volume of the aqueous solution = 150 mL The density of the solution = 1.1 g/mL…

Q: A saline solution that is 0.9%(wt/vol) has a concentration of 1.0046g/mL solution. a. What is its…

A: a) The saline solution is 0.9% (wt/v) That means 9 gm NaCl is dissolved in 1000 mL water So, the…

Q: Calculate the mass (in g) of magnesium chloride (MgCl,) that would be needed to prepare 150 mL of a…

A: Given data contains, Volume of the solution is 150 mL. Mass percentage of aqueous solution of the…

Q: 0.002 grams of MgCl2 were dissolved in enough water to give 48.6 grams of solution. Calculate the…

A: Given :-  Mass of MgCl2 = 0.002 g  Mass of solution = 48.6 g  To calculate :-  Concentration of…

Q: A student dissolves 6.1 g of styrene (C3H3) in 225. mL of a solvent with a density of 0.87 g/mL. The…

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Q: An aqueous solution is 12.0 % by mass ammonia, NH3, and has a density of 0.950 g/mL. The mole…

A: The aqueous solution only has ammonia and water in it. Assume a total mass of 100 g Meaning mass of…

Q: A solution is made using 141.5 g of phenol (MM = 94.11 g/mol) and 70.0 g of acetone (MM = 58.08…

A: The mass of phenol = 141.5 g The mass of acetone is = 70.0 g The molar mass of phenol is = 94.11…

Q: If 44.2 g of CaCl, is added to 482 g of water, calculate the mass percent of CaCl, in the solution.…

A: Given, mass of CaCl2 =44.2 grammass of water =482 gramwe are asked to calculate the mass percent of…

Q: · Compute for the mass of NaCl solid that is needed to prepare 25 mL of 5% (mass/vol) solution. ·…

A: Given: % (m/V) of NaCl = 5 % And volume of solution required = 25 mL.

Q: A solution of H2SO4 containing 500.0 g of H2SO4 in 1 L of solution has a density of 1.329 g mL-1 .…

A: In the given solution of H2SO4, 500.0 g of H2SO4 in 1 L of the solution and its density is 1.329 g…

Q: A solution is prepared by dissolving 50.0 g of cesium chloride (CsCl) in 50.0 g of water.  The…

A: here the question given find out the concentration terms:-

Q: Calculate the number of mmoles of solute that are present in 4000 cm of an aqueous solution that…

A: Given: Volume of solution = 4000 cm3 = 4000 mL                         (Since 1 mL = 1 cm3 ) Density…

Q: An aqueous solution has a boiling point of 68 °C at STP and a boiling point elevation constant (Kb)…

A:

Q: The mass percent of decane (MM=142.29 g/mol) in benzene (MM=78.11 g/mol) is 42.23%. What is the mole…

A: Mass percent of decane = 42.23%  If mass of decane = 42.23 g then mass of mixture = 100 g and mass…

Q: A solution is prepared by dissolving 28.6 gg of glucose (C6H12O6)(C6H12O6) in 360 gg of water. The…

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Q: A certain substance X has a normal freezing point of 5.2 °C and a molal freezing point depression…

A:

Q: What is the mole fraction of glycerol

A: Mole fraction of glycerol = number of moles of glycerol ÷ total number of moles    Number of moles=…

Q: What mass of celsium chloride must be added to 0.500L of water to produce a 0.40m solution? What are…

A: molality is number of moles of substance present in 1 Kg of solution molality = (weight (g)/molar…

Q: The density of a 0.323Maqueous solution of sodium phosphate (Na3PO4, MM 163.94g/mol)…

A: The Question is based on the concept of solutions. we have to calculate molality and percent by mass…

Q: What is the molality of a solution of 560. g of acetone (molar mass = 58.08 g/mol) dissolved in…

A: Molality = Number of moles of solute/Mass of solvent in Kg Number moles of solute = Mass of…

Q: A bleaching solution contains sodium hypochlorite. NaCIO, dissolved in water(molar mass 18g/mole).…

A: The molarity of sodium hypochlorite (NaClO) is 0.650 M that means 0.650 moles of NaClO is dissolved…

Q: What mass of cesium bromide must be added to 0.500 L of water (d = 1.00 g/mL) to produce a 0.422 m…

A:

Q: How many grams of sodium chloride (58.44 g/mol), must be dissolved in 204.0 grams of water to raise…

A: Problem is based on elevation in boiling point.

Q: MOLALITY, FREEZING POINT DEPRESSION, AND BOILING POINT ELEVATION A glucose solution contains 55.8 g…

A: When a non-volatile solute (glucose) is dissolved in a solvent (water), it tends to alter some of…

Q: A solution is made using 174.5 g of phenol (MM = 94.11 g/mol) and 70.0 g of acetone (MM = 58.08…

A: We know that,. mole fraction of phenol = no. of mole of phenol/(total moles of the solution) thus,

Q: How many grams of CaCl, are needed to make 728.4 g of a solution that is 40.0% (m/m) calcium…

A: Hello. Since the question contains more than three sub-parts, the first three sub-parts shall be…

Q: A solution contains 32.4 g of H2SO4 in 100ml of solution. The specific gravity of solution is 1.20.…

A:

Q: A solution is made using 119.3 g of toluene (MM = 92.13 g/mol) and 80.0 g of benzene (MM = 78.11…

A:

Q: 18.0 %(m/m) solution of potassium chloride has a density of 1.12 g/cm3 at 20.0 °C. Calculate the…

A: %m/m of KCl = 18.0%  Density of KCl = 1.12 g/cm3  Molarity = ?  Molality = ?

Q: A solution is made using 23.7 g of hexane (MM = 86.18 g/mol) and 60.0 g of octane (MM = 114.2…

A:

Q: PERCENT

A: Dear student I have given answer to your question in the image format.

Q: The freezing point of water is 0.00°C at 1 atmosphere.  How many grams of chromium(III) nitrate…

A: given,Chromium (III) nitrate Cr(NO2)3→Cr3++3NO3-⇒i(vant Hoff factor)=4

Q: A solution is made by dissolving 0.646 mol of nonelectrolyte solute in 791 g of benzene. Calculate…

A:

Q: Calculate the number of moles of solute present in 55.0 mg of an aqueous solution that is 1.40 m…

A: The molality is given as follows,

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?

A: The colligative property is the property that does not depend on the nature of the solute but…

Q: An aqueous solution is 6.00 % by mass ethanol, CH3CH2OH, and has a density of 0.988 g/mL. The mole…

A: We have to calculate mole fraction of ethanol .

Q: 1. How many grams of K2CO3 (Potassium Carbonate) are needed to make 200 mL of a 2. 5 M…

A: The mole concept is a convenient method of expressing the amount of a substance. Any measurement can…

Q: Calculate the mass in grams of potassium hydrogen phthalate (C6H4CO2HCO2K) required to prepare 250.0…

A: Molar mass of potassium hydrogen phthalate = 204.2 g/mol volume = 250mL = 0.250 L

Q: How many grams of K2CO3 (Potassium Carbonate) are needed to make 200 mL of a 2. 5 M solution?

A: Given, 200 mL of a 2. 5 M

Q: At a certain temperature the vapor pressure of pure water is measured to be 233. mmHg. Suppose a…

A: