) A 100mL sample is taken to determine the alkalinity in a 1 liter water sample and titrated with 0.15M HCl. As a result of the titration, 150mL of acid is spent with the methyl orange indicator, while 40mL of acid is spent with the phenolphthalein indicator. Calculate the alkalinity in the sample and how many grams they are in terms of sodium salts. (Na: 23g / mol, O: 16g / mol, C: 12g / mol, H: 1g / mol)

Q: A solution containing 10.0 mL of the weak acid HF has a pH of 2.62. The weak acid is titrated with…

A: Volume of weak acid HF =  10.0 mL Molarity of NaOH solution= 0.124 MVolume of NaOH added = 15.62 mL

Q: Determine the pH during the titration of 26.8 mL of 0.447 M hypochlorous acid (K = 3.5×108) by 0.467…

A: Given that : The volume of hypochlorous acid = 26.8 mL The molarity of hypochlorous acid = 0.447 M…

Q: A 5.296 g sample of a solid, weak, monoprotic acid is used to make a 100.0 mL solution. 30.00 mL of…

A:

Q: 22) A student prepares aqueous sodium benzoate by adding 3.78 g of solid benzoic acid to 12 mL of 3…

A: Percent recovery can be expressed as follows:   Percent recovery  =  Amount of substabce…

Q: in an experiment, the molecular formula for calcium hydroxide was determined to be Ca(OH)2. In this…

A: Given that : The mass of Ca = 0.050 g The volume of DI water = 150 mL The molarity of HCl = 0.30 M

Q: A 0.9600 M NaOH solution was diluted with a factor of 4. Then the diluted solution of NaOH was…

A:

Q: A 0.717 gram sample of an unknown monoprotic acid is dissolved in 40.0 mL of water and titrated with…

A:

Q: An acid with molar mass 84.48 g/mol is titrated with 0.650 M KOH. What volume of KOH solution is…

A: An acid with molar mass 84.48 g/mol is titrated with 0.650 M KOH. What volume of KOH solution is…

Q: 1) A buffer solution contains 0.350 M ammonium bromide and 0.400 M ammonia. If 0.0452 moles of…

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

Q: 11. TAPS is the acronym of ((tris(hydroxymethyl)methylamino)propanesulfonic acid), which is a…

A:

Q: A buffer solution is given. 1. A solution of NaCH3COO mixed with CH3COOH giving a pH of 4.80 and a…

A: In buffer solution acetic acid and its salt both will present and they resist to change in pH of the…

Q: A buffer solution of pH 7.30 will be prepared from a 50.00 mL solution of 0.075 M NaH2PO4…

A: Given, A buffer solution of pH 7.30 will be prepared from a 50.00 mL solution of 0.075 M NaH2PO4…

Q: A 0.1276 g sample of an unknown monoprotic acid was dissolved in 25.0 mL of water and titrated with…

A:

Q: the titration of 0.100M acetic acid with 0.100M NaOH is described in the text. wha

A: Given volume of acid(acetic acid) = 0.100L  Concentration of acid(acetic acid) = 0.100M Volume of…

Q: A buffer solution is made that is 0.384 M in H2S and 0.384 M in KHS. If Kal for H2S is 1.00 × 10-7,…

A: Given: The concentration of H2S and KHS in the buffer solution is 0.384 M and 0.384 M, respectively.…

Q: A pH buffer is a solution that resists changes in pH when acids or bases are added to it—typically,…

A: We have to prepare 7.00 L of pH = 12.00 buffer.

Q: Volume of acetic acid (HC2H3O2) in the first titration (L)     10 mL Volume of acetic acid…

A: Woking formula V1*S1 = V2*S2 where, V1 = volume of Acetic acid, S1 = concentration of acetic acid,…

Q: Determine the pH during the titration of 26.8 mL of 0.447 M hypochlorous acid (K, = 3.5×10-8) by…

A:

Q: How many milliliters of 0.0850 M NaOH are required to titrate each of the following solutions to the…

A:

Q: A 20.00-ml sample contains 1.00 g of NAHCO,. This sample is used to standardize an NAOH solution. At…

A: Given : Mass of NaHCO3 = 1.00 g Volume of NaHCO3 solution = 20.00 mL = 0.020 L…

Q: A solution of an unknown weak base (0.495 g in 100 mL of water) was prepared and titrated with…

A: Here we have to select which of the following bases is weak based on the given data. Data: Molarity…

Q: A buffer solution contains 0.221 M hydrocyanic acid and 0.453 M potassium cyanide. If 0.0495 moles…

A: Calculate the final pH after the addition of HNO3 to HCN/KCN buffer.Given: Concentration of HCN =…

Q: A 0.1724-g sample of an unknown monoprotic acid was dissolved in 26.9 mL of water and titrated with…

A: Given data: Mass of unknown sample = 0.1724 g Volume of water = 26.9 mL Molarity of NaOH solution =…

Q: 1. The titration curve shown at right represents which type of reaction? (a) A strong acid added to…

A: The acid-base titration is involves the reaction of acid with base to calculate the concentration of…

Q: 23.0 mL sample of a 0.425 M aqueous acetic acid solution is titrated with a 0.475 M aqueous sodium…

A: Given : Concentration of acetic acid i.e CH3COOH = 0.425 MAnd volume of CH3COOH solution = 23…

Q: On your scratch paper, answer the following questions A Record the volume of NaOH to the correct…

A: To know the exact value of NaOH lower minuscus is observed.

Q: 16. 25.0 mL of 1.074 M HCI is added to 1.13 g sample of eggshell. Calcium carbonate in the egg…

A: We have to predict the percentage of calcium carbonate in the egg shell.

Q: (c) What is the pKa of the acid? (only confused on part c, answers for a and b are given)

A: We have been given a weak acid which we are titrating with a strong base sodium hydroxide. we need…

Q: 1. 50.00ml of 2.000M ammonium nitrate is titrated with 0.800M NaOH. (a) What is the pH at the…

A:

Q: A buffer system is prepared by combining 0.603 moles of ammonium chloride (NH4CI) and 0.713 moles of…

A: Moles of weak base ammonia = 0.713 mole Moles of conjugate acid (NH4+) = 0.603 mol  Moles of HNO3…

Q: Calculate the pH changes during the titration of 0.100 M HCl with 50.00 mL of 0.0500 M KOH when the…

A:

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.