What weight of sodium carbonate needed to prepare exactly 750 ml. of 0.105N solution.

Q: Describe how you would distinguish experimentally between apure substance and a true solution.

A: Pure substances are substances that are made up of only one kind of particles and has a fixed or…

Q: molality of a solution formed by a

A: Molality of solution is defined as number of moles of solute dissolved per kilogram of solvent

Q: 29 What volume in milliliters, of a 12.0M HCl solution is needed to prepare a 250.0 mL solution at…

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Q: How many grams of Cesium phosphate will be required to prepare 800. ml of a solution, that gives a…

A: Cesium phosphate is Cs3 (PO4) Therefore, [Cs] = 3 [Cs3 (PO4)]  Hence,  [Cs3 (PO4)]  = 1/3 [Cs] =…

Q: How many equivalents of phosphoric acid are contained in 300 mL of 4.00 M phosphoric acid? (Assume…

A: Given 300 mL of 4.00 M phosphoric acid

Q: ne molality of the

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

Q: How many grams of KI (molar mass = 166g/mol) are needed to prepare a 125 mL solution that is to be…

A: Given: The molar mass of KI=166 g/mol. The volume of the solution=125 mL=0.125 L. The molarity of…

Q: Calculate for the mass of Boric acid required to prepare 250ml of 2 M solution.

A:

Q: How many moles are in 2ml of 3 M HCl Solution??

A: Given that, Volume= 2 ml= 0.002 L Molarity= 3M Moles of HCl= ?

Q: An aqueous magnesium chloride solution is made by dissolving 6.90 moles of MgCl, in sufficient water…

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Q: How many grams of copper ( II ) nitrate hexa hydrate are needed to prepare 1250.0 mL of 0.115 M…

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Q: Determine the number of grams of NaNO3 required to prepare 10.5L of a 0.125M solution

A: Answer: mass of NaNO3 is 111.5625 g.

Q: Calculate the molarity of a solution prepared by by dissolving 1.56g of gaseous HCl in enough water…

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Q: most soluble (in moles/liter)?

A: If salt have more Ksp value then it is more soluble and if salt have less Ksp value then it is less…

Q: to what volume should you dilute 50 ml of a 12.0 m hcl solution to obtain a 0.750m solution

A: Given that,Volume (V1) = 50 mLMolarity (M1) = 12 MMolarity (M2) = 0.750 M

Q: Find the % by volume for a solution containing 33mL of hydrogen peroxide in 150mL of water.…

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Q: How many milliliters of an aqueous solution of 0.225 M magnesium chloride is needed to obtain 17.9…

A: Molarity (M) indicates the number of moles of solute per liter of solution. Its unit is moles/Liter.

Q: The quantity of water must be added to 300 ml of O.5 molar to dilute the solution to obtain 0.15…

A: Given information: Initial concentration = 0.5 M Initial volume = 300 mL Final concentration = 0.15…

Q: Convert the average molarity of hydrogen peroxide into % (wt) of hydrogen peroxide (the density of…

A: To solve this we have to consider the avg. Molarity given .  From this we will find the volume of…

Q: A 16.24 mL sample of dilute H3PO4 requires 40.52 of 0.108 M NaOH for complete neutralization.…

A: The reaction taking place is  3 NaOH + H3PO4 ----> Na3PO4 + 3 H2O Hence from the above reaction…

Q: When the vapor pressure of solution decreases, What will happen to the boiling polll and freezing…

A: vapor pressure of solution decreases means that solution having more number of solute particles. as…

Q: Match the solutions to the descriptions of the freezing points.

A: A dilute solution containing non volatile solute exhibits some characteristc properties , these…

Q: Determine the % by mass of a solution consisting of 360g acetic acid and 600g water.

A: Here we are required to determine the % by mass of a solution consisting of 360g acetic acid and…

Q: How many milliliters of the 0.150 M CoCl2 solution must be diluted to 100. mL to obtain a solution…

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Q: A 27% oleum solution is equivalent to a solution that is % SO3 and % H₂SO4-

A: Oleum is also known as fuming sulphuric acid which is basically sulphuric acid having excessive of…

Q: How many mL of a 0.243 M aqueous solution of magnesium nitrate, , must be taken to obtain 5.69 grams…

A: Molarity is the concentration term. It is the number of moles of solute to the volume of solution in…

Q: What mass of a concentrated solution of nitric acid (68.0% HNO3 by ,ass) is needed to prepare 300.0g…

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Q: How many mL of 0.750 M phosphoric acid will contain the following? 35.5g of phosphoric acid

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Q: Mass Solution Volume Solute (if liquid) 20 % by volume, 50 mL NaCI solution

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Q: Assuming the density of the phosphoric acid is 1.07 g/mL, what is the % of the solution?

A: Given:  density of the phosphoric acid = 1.07 g/mL

Q: Concentrated HCl has density of 1.19 g/mL and concentration of 38% by mass. What is the molarity of…

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Q: on has a concentration of 0.1432 Volume of Weight of HAc in original solution, g olution, ml

A: Given: Original concentration of acetic acid (N) = 1.3402 N Original concentration of NaOH = 0.1482…

Q: How many arams of KacOz (Mom= 138.29/mol) must be added to 765 with a molariy of O.395m? of water to…

A: Molarity = number of moles/ volume of solution Given is-  Volume of water 765 mL Molar mass of K2CO3…

Q: How many grams of KNO3 should be used to prepare a 6.3 m solution with 0.500 of of water. I need the…

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Q: Calculate the % by mass of a solution with 500 g of sugar in 1100 g of water.

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Q: How many millilitres of 0.157M nitric acid are rrequired to neurtralize 22.1ml of 0.194 M sodium…

A: Given :  Molarity of nitric acid solution = 0.157 M  Molarity of sodium hydroxide solution = 0.194 M…

Q: -. How many moles of NaHCO; should be dissolved in 300? mL of solution to make a 0.500 M solution?

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Q: num ber of moles of the solute pre

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Q: Determine the molality (m) of the following: b.) 19.4M NaOH (Density = 1.54 g/mL)

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Q: How many liters of a 0.209 M KI solution is needed to

A: Number of moles = mass/molar mass  Molarity = number of moles/volume of solution(in L)  Volume =…

Q: How many moles of HCl are present in 17.1 mL of 0.245 M HCl?

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Q: vhat is the molality of this solution?

A: Given :-  Freezing point of pure solvent (Tf°) = 22.3 °C  Freezing point of solution (Tf) = -37.6°C…

Q: How many grams of of AgNO3 will be needed to prepare 200.ml of a 0.200M solution ?

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Q: How many milliliters of an aqueous solution of 0.149 M barium acetate is needed to obtain 17.4 grams…

A:

Q: mass of CuSO4·5H2O(s) required to prepare 100.0 mL of 0.100 M solution.

A: Molarity (M) of a solution is defined as the number of moles of solute dissolved per volume of the…

Q: How many milliliters of an aqueous solution of 0.138 M magnesium sulfate is needed to obtain 9.26…

A: Molarity of magnesium sulfate solution = 0.138 M Mass of magnesium sulfate obtained = 9.26 g We need…

Q: Calculate the number of grams of solute that has to be used to make the following solution: 216.5 mL…

A: For gram of solute fir we calculate mole of solute

Q: Calculate the concentration of all 10ns present in 0.164 g MgCl, in 100.0 mL of solution.

A:

Q: A solution that contains 11 % by volume of acetic acid. This means that

A: A solution that contains 11% by volume of acetic acid.  Here, acetic acid is solute in this…