To determine the concentration of a NaOH (39.997 g/mol) solution, 1.42 g of C8H5KO4 (a commonly used standard, 204.22 g/mol) was used. The volume of NaOH solution needed to reach the endpoint was 33.54 mL. What was the concentration (in molarity) of the NaOH solution? The mole:mole ratio for NaOH and KHP neutralization is 1:1. Report your answer to the thousandths place and do not include units.

Q: What mass of KHP will be completely neutralized by 32.57 cm33 of 0.175 M standard NaOH solution? The…

A:

Q: Calculate the molarity of each of the following solutions.  0.450 mole of urea (CH4N2O) in 2.50 ×…

A: The molarity is given by the formula  as follows: Molarity=MoleVolumeL

Q: What volume of 0.496 M HCI is required to neutralize 20.0 mL of 0.809 M sodium hydroxide? Balanced…

A:

Q: How many grams of sodium hydroxide is required to make 250.0 mL of a 0.410 M sodium hydroxide…

A: Given,  The molarity of sodium hydroxide ( NaOH) = 0.410 M.  The volume of the solution = 250.0 mL.…

Q: A 5.00 ml aliquot of a 0.20 M HCI solution is diluted to a final volume of 25.00 mL. What is the…

A:

Q: What volume, in mL, of 0.748 M LiOH(aq) is needed to COMPLETELY NEUTRALIZE 126. mL of 1.19 M…

A: Here we are asked to calculate the volume, in mL, of 0.748 M LiOH(aq)needed to completely Neutralize…

Q: 7. A sample contains an unknown amount of succinic acid, H₂C4H4O4. If 0.3902 g of the sample…

A:

Q: What concentration of 20.0 mL NaOH solution is needed to react completely with 0.500 g KHP (204.2 g…

A: One mole of potassium hydrogen phthalate reacts with one mole of sodium hydroxide to form…

Q: What volume (in mL ) of 0.160mol / L calcium hydroxide , Ca(OH) 2 (aq) , is needed to completely…

A:

Q: What is the concentration of hydrogen ion, H+, present in a water sample if 100. ml of the sample…

A: H+ ion of the water sample reacts with OH- of the sodium hydroxide solution. The balanced chemical…

Q: If 48.1 g of C₂H₅OH (MM = 46.07 g/mol) are added to a 500.0 mL volumetric flask, and water is added…

A: Molar concentration or molarity (M) of a solution is defined as the number of moles of solute…

Q: Consider the following reaction: CaCO3 (s) + HCl (aq) →  CO2(g) + H2O(l) + CaCl2 (aq)   How many…

A:

Q: What volume of 1.015 M NaOH is required to neutralize 12.93g of H2SO4 in 400 mL?

A: Given: Mass of H2SO4 = 12.93 g Concentration of NaOH = 1.015 M Molar mass of H2SO4 = 98.079 g/mol

Q: What volume (in ml)  of a 12.00M stock solution of HCl is required to prepare 500.00ml of a 3.65…

A: The mass of HCl standard = Density × Volume The mass of HCl standard = 3.65 × 10-3 g/mL × 500 mL =…

Q: 30.00 mL of nitric acid (HNO3) with an unknowne concentration was placed into an erlenmeyer fask,…

A: Acid base neutralization reaction involves formation of salt and water. Moles of base reacts with…

Q: Calculate the molarity of a solution made by adding 120 g of NaOH (40.00 g/mol) to enough water to…

A: mass of NaOH = 120 g molar mass of NaOH = 40.00 g/mol Volume of the solution = 500.00 mL = 0.5 L…

Q: If a solution is made by adding 0.250 grams of NaOH in enough H2O to make 10.0 mL of solution,…

A: The major factor involved in changing molarity (solution's concentration) is the temperature. Since,…

Q: To make 1.00 L of 1.00 M NaOH solution, what mass of NaOH needs to be weighed out?

A: 1 M NaOH solution means 1 mole NaOH is present in 1000 mL means 1 L solution.

Q: You need 500 mL of a 0.5 M iron(III) chloride solution. You only have a 3.0 M FeCl3 solution on…

A: For constant number of moles, the product of molarity and volume of a solution is constant.

Q: If 48.8 g of C₂H₅OH (MM = 46.07 g/mol) are added to a 500.0 mL volumetric flask, and water is added…

A: Molarity is the ratio of number of moles to that of the volume of the solution.

Q: 20.0 mL of 0.30 M Nickel Sulfate (NISO4) was mixed with 35 mL of 0.70 M NISO4, what is the final…

A:

Q: 2.3 g of HCl and 7.7 g of HClO4 are both dissolved in the same volume of water (a single volume of…

A: In the given question we have to find the total molarity of H+ ions in a solution containing both…

Q: A sample of seawater from a tidal estuary was found to contain a concentration of 567 mg of chloride…

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: What is the percentage of Na2CO3 in the mix?

A:

Q: Chemistry labs often purchase concentrated HCl (12.0 M) and dilute the solution for laboratory use.…

A: Molarity of initial solution = 12.0 M  Molarity of new solution = 0.250 M  Volume of new solution =…

Q: A quantity of 14.68 mL of a KOH solution is needed to neutralize 0.3748 g of KHP. What is the…

A: KOH reacts with KHP to form K2P and water. The equation for the balanced chemical reaction is as…

Q: 100.0 mL of HCl required 25.00 mL of 0.2000 M NaOH to reach the end point. What is the concentration…

A: If mole of any substance is known, then the mole of other substance can also be determined from the…

Q: If 30.4 g of C₂H₅OH (MM = 46.07 g/mol) are added to a 500.0 mL volumetric flask, and water is added…

A: Molar concentration = Number of moles of solute/Volume of solution (L) Number of moles of solute =…

Q: 3) It takes 29.61 mL of 0.246 M sodium hydroxide solution to titrate 10.00 mL of sulfuric acid…

A:

Q: what is the concentration in parts per million (ppm) if 1.3 g NH3 is dissolved into 108 mL of water?

A: given ,            mass of  NH3 =1.3g            volume of water = 108 ml =0.108 L…

Q: odium hydroxide are present i

A: Molarity is number of moles of solute per liter of solution. It is represented as M and its unit is…

Q: How do you calculate the density of a 48.9ml solution of 1.2590M HCl? What about the density of a…

A: Calculate the number of moles of HCl: 1 mL = 0.001 L

Q: If 35.0 g of C₂H₅OH (MM = 46.07 g/mol) are added to a 500.0 mL volumetric flask, and water is added…

A: Concentration Molar concentration or Molarity or amount concentrationis a measure of the…

Q: What volume of 0.73 M HCl is required to neutralize 95.0 mL of 0.45 M Ca(OH)2 ?

A: Molarity formula can be given as Molarity=Number of moles of soluteVolume of solvent in (L) And the…

Q: Vinegar is a solution of the monoprotic acid HC₂H3O2 in water. A 15.0 mL solution of vinegar was…

A:

Q: 1) 68.1 mL of 5.2 M HCl solution is diluted to a volume of 555 mL. What is the molar concentration…

A:

Q: What volume, in militers, of 6.0 M NaOH is needed to prepare 175 ml of 0.20 M NaOH by dilution?"

A: We are to prepare 175 mL of 0.20 M NaOH solution by dilution of 6.0 M NaOH. We need to find volume…

Q: A 5.0 g sample of NaCl is dissolved in enough water to give 500 ml of solution. Wat is the Na+ ion…

A:

Q: An aqueous solution of an acid is 1.331 m. What is the molarity of the solution? The density of the…

A: molality(m): it is defined as the no. of moles dissolve in per kg of solvent. Molarity9M): It is…

Q: If 52.00 ml of 0.500 M CaBr 2 solution is added to  128 ml of 0.320 M solution of KCl solution, what…

A: