(d) It was found that 16.5 mL of a 0.5 M sulphuric acid (H2SO4) solution neutralised 25 mL of a given solution of sodium hydroxide (NaOH).

Q: Prepare 250 ml of a standard solution of sodium carbonate (106g / mol) at a concentration of 0.3N?

A: Calculation of mass of sodium carbonate:                   Concentration of standard solution = 0.3…

Q: How many grams of CaC l 2 should be dissolved in 500.0 mL of waterto make a 0.20M solution of CaC l…

A: Given data contains, Volume of water=500 mL=0.5 L Molarity of the solution is 0.20 M.

Q: Calculate the molarity of 6.52g of Cobalt Chloride (128.9g/mol) dissolved in aqueous solution with a…

A:

Q: How many grams of KNO3 will dissolve at 60°C?

A:

Q: How many grams of Cu(C2H3O2)2 (Molar mass ‎199.65 g/mol) are needed to make 25.0 mL of a solution…

A: Definition:Molarity is a concentration term for a solution. The molarity of a given solution is…

Q: The amount of potassium chloride in 150 mL of 8.5% w/v potasisum chloride solution is _____ g.

A: 8.5% w/v means 8.5 g potassium chloride in 100 mL solution.

Q: Find the freezing point (oC) for the new solution when 0.0080 mole of solute is added to 3.0 g of a…

A: Recall the following relation to calculate the freezing point of the solution…

Q: What volume (mL) of the prepared high alcoholic elixir is needed if the prescription requires 100 mL…

A: Given: Final volume of solution requrired = 100 mL. Final %(v/v) of the alcohol = 65 % And the…

Q: The EPA has set the MCL for the concentration of cadmium as 5.05.0 ppb. What is the concentration of…

A:

Q: What is the solubility in g/L of O2 at a partial pressure of 311.9 torr, if the solubility at a…

A:

Q: 2. Athletes need to hydrate with electrolytes (and not pure water). If they do hydrate using pure…

A: Athletes engaging in intense physical activities often face the challenge of maintaining adequate…

Q: What is the concentration of a solution formed by diluting 210mL of 8.6M NaOH solutions to 0.81L ?…

A:

Q: What concentration of sodium hydroxide solution is needed for the following neutralization reaction:…

A: Given data contains, Volume of sodium hydroxide is 37.83 mL=0.03783 L. Molarity of hydrofluoric acid…

Q: A solution of NaOH is 6 mOsmol/L. What is the mEq/L of the solution? Proport your answer as a whole…

A:

Q: What happens to the freezing point of H2O when salt is dissolved?

A: Freezing point : The point at which  water becomes ice.

Q: Which solution will have the lowest boiling point? A) 0.050 M KNO3 B) 0.075 M CaCl2  C) 0.025 M…

A: It is required to determine the compound having lowest boiling point. This is dependent on the…

Q: 9. Using pure water, 1.0 M NACI, and 1.0 M CaCl,: a) List the substances in decreasing melting point…

A:

Q: Calculate the molarity of 25 KBr dissolved in 750 ml of water

A: In this question, molarity of KBr is to be determined. Given values are : Mass of KBr = 25 g Volume…

Q: If 65 g of NH4Cl are added to 100 g of water at 50 °C, how many grams of NH4Cl will not dissolve?

A: We want to add NH4Cl are added to 100 g of water at 50 °C

Q: What is the molar concentration resulting from mixing 25 mL of 2M and 100 mL of 4M?

A:

Q: 2H₂(g) + O₂(g) + 2H₂O (g) + energy (heat) 3. Pressure (Recall Gizmo activity: Equilibrium and…

A: For the given equilibrium system 2H2(g) + O2(g) ---------> 2H2O(g) + Heat energy i.e.  system is…

Q: What mass of ethylene glycol, when mixed with 225 g H2O, will reduce the equilibrium vapor pressure…

A: To solve this problem we have to calculate the mass of the solute (ethylene glycol). Raoult's Law of…

Q: Calculate the molar concentration for aqueous solutions with these data a) M = 142g / mol m = 14g v…

A: Molar concentration /Molarity is defined as Number of moles of solute divided by Volume of Solution…

Q: Write the materials and how are you going to prepare this solution with step-by-step procedures.…

A: In a solution, the amount of solute present in the solution is expressed as concentration. The…

Q: How many grans of zinc sulfate are made when 25mL of 1.5M sulfuric acid is added to excess zinc

A:

Q: A solution of sodium sulfate (Na2SO4) has a concentration of 4.65 x 10-6 M. Calculate the…

A: Concentration of Na2SO4 in Molarity from which Na+ and SO42- concentration is to be determined in…

Q: A 1.6M NaOH basic solution has a density of 1.52g/mL. Calculate the mole fraction of the solvent.

A: Given data, Molarity of NaOH = 1.6M Density of Solution = 1.52g/mL The molar mass of NaOH = 40g/mol

Q: Calculate the molarity of 69.0 gg of HClHCl in 1.50 LL of an HClHCl solution.

A:

Q: Calculate the molarity of 0.029g of l2 in 0.100 L of solution?

A: Given, Mass of I2 = 0.029 g Volume of solution = 0.100 L

Q: Sodium glutamate (commonly known as monosodium glutamate, MSG, with a molar mass of 169.11 g/mol) is…

A: Molar mass of MSG = 169.11 g/molMolarity of the MSG = 0.0858 M1 M = 1 mol/LVolume of solution = 1.92…

Q: 60.0 mL of 2% (w/w) solution of sodium hydroxide is neutralized completely with 0.25M sulfuric acid.…

A: Number of moles of a compound can be calculated by dividing given mass of the compound with molar…

Q: Commercially available concentrated hydrochloric acid is 37,0% w/w HCl. Its density is 1,18 g/mL.…

A: Given,  Concentration of HCl in mass percent = 37.0% w/w  Density = 1.18 g/mL  a). Calculate…

Q: Express the concentration of a 0.0590 M aqueous solution of fluoride, F, in mass percentage and in…

A:

Q: molarit

A:

Q: A solution prepared by dissolving 342  mg of a sugar (a molecular compound and a nonelectrolyte) in…

A: Mass of sugar or solute = 342 mg   ...Or  because 1g = 1000 mg   ...so, = 342 mg × (1g / 1000 mg )…

Q: The fictitious salt MX has a solubility of 29.76 g/100 mL and a molar mass of 153.14 g/mole. What…

A:

Q: A 3.6 L solution is prepared with 1.28g of caffeine (194.19g/mol). Determine its molarity.

A:

Q: 10. What mass of NH4CI can be dissolved in 100 g of water at 70°C?

A: The substance that dissolves in another medium to furnish a homogeneous solution is termed as the…

Q: Calculate the grams of NaOH present in 1.0 mL of a 2.0\%(m/v)NaOH solution.

A:

Q: A solution is make by weighing out 15 g of KCl in 100 g of H2O. What is the weight/percent…

A: Weight percent = (mass of solute/mass of solution)*100

Q: Express the concentration of a 0.0490 M aqueous solution of fluoride, F¯, in mass percentage and in…

A:

Q: How many grams of nitric acid HNO3 are there in 12.32L of 2.05M solution?

A: To solve this problem we have to calculate the mass of nitric acid .

Q: If tap water contains 2.35 x 10^-3 M CaCO3, calculate the concentration of CaCO3 in ppm.

A: In this question, we want to determine the Concentration of CaCO3 in ppm  How we can convert…

Q: Calculate the weight of sodium chloride salt in: 300 ml solution of a % 0.85 (w/v) concentration .A…

A: Given the w/V % of sodium chloride, NaCl solution = 0.85 %  Volume of sodium chloride, NaCl solution…

Q: A blood serum cholesterol (C27H46O) level greater than 240 mg of cholesterol per deciliter (0.100 L)…

A: Mass of blood serum cholesterol (C27H46O) = 240 mg=0.240 g  Volume of solution=0.100 L Molar mass of…