You perform a titration between Sodium hydroxide (NaOH) and Carbonic Acid (H₂CO3). The NaOH is in the burette and the H₂CO3 is in the Erlenmeyer Flask. 42.5 mL of 0.50 M NaOH was added to 25.6 mL of H₂CO3, what is the concentration of the H₂CO3? Give your answer to 2 decimal places.

Q: A student wants to make a 0.600 M aqueous solution of barium sulfate, BaSO4, and has a bottle…

A: final volume = 85.7 mL

Q: An analytical chemist weighs out 0.029 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Assuming the monoprotic acid is HA. Hence the reaction between the acid and base is  HA + NaOH…

Q: A total of 31.3 ml of 0.15 N NaOH was required to reach a phenolphthalein endpoint in  titrating…

A: Equivalent of acetic acid in vinegar can be calculated from titration because vinegar consists of…

Q: A 27.00 mL sample of an unknown HC1O4 solution requires titration with 20.32 mL of 0.1900 M NaOH to…

A: BALANCED REACTION HClO4 (aq) + NaOH(aq) ---> H2 O (l) + NaClO4 (aq)  Volume of NaOH= 20.32 mL=…

Q: An analytical chemist weighs out 0.023 g of an unknown monoprotic acid into a 250 mL volumetric…

A:

Q: You perform your first titration using your NaOH with a KHP solution. Your KHP solution is made with…

A:

Q: 0.172 g of potassium hydrogen phthalate (KHP) was titrated with NaOH. When 31.5 mL of the KOH had…

A:

Q: chemistry student weighs out 0.152g of phosphoric acid H3PO4 , a triprotic acid, into a 250.mL…

A: Given that, 0.152 g of H3PO4 was dilute to 250. mL. Then, this was titrated with 0.2000 M of NaOH…

Q: Calculate the molarity of a solution of 42.64 g of aluminum nitrate, Al(NO3)3, in 1260 mL of…

A: Molarity =no. of moles of soluteVolume of the solution in litre  no. of moles =given massMolar mass

Q: 0.261 g of potassium hydrogen phthalate (KHP) was titrated with NaOH. When 16.8 mL of the NaOH had…

A: The molarity of a substance is defined as the number of moles of solute present per liter of…

Q: An analytical chemist weighs out 0.101g of an unknown diprotic acid into a 250 mL volumetric flask…

A: Neutralization reaction : Equivalent amount of acid reacts with a equivalent amount of base This…

Q: A chemistry student weighs out 0.0973 g of phosphoric acid (H3PO4, a triprotic acid, into a 250. mL…

A: Given:Mass of phosphoric acid=0.0973 gVolume=250 mLMolarity of NaOH=0.1100 M Conversion:From mL to…

Q: es this solution with 0.0600 M NaOH solution. When the titration reaches the equivalence point, the…

A: We should equal equivalent of both acid and NaOH ion to get molarity mass of acid  Equivalent =…

Q: A chemist prepares a solution of silver(I) perchlorate (AgCIO,) by measuring out 5.9 × 10´ µµmol of…

A: Concentration in terms of molarity is defined as the moles of solute present per litre of the…

Q: A chemistry student weighs out 0.111 g of sulfurous acid (H,So,), a diprotic acid, into a 250. mL…

A: The given data contains, mass of sulfurous acid = 0.111 g. Volume = 250 ml.  = 0.250 L. Molarity of…

Q: A 11.00 mL solution of Na2HPO4 is combined with a 23.00 mL solution of 21.00 mM NaH2PO4. The Na +…

A: The objective is to determine the concentration of Na2HPO4 in the original solution. Given…

Q: A chemistry student weighs out 0.157g of lactic acid HC3H5O3 into a 250.mL volumetric flask and…

A: To find the volume of NaOH, first molarity of lactic acid needs to be calculated.  Molarity = number…

Q: A chemist prepares a solution of iron III  chloride    FeCl3    by measuring out  0.40g  of…

A: Given : mass of FeCl3 dissolved = 0.40 g And volume of solution prepared = 100 mL = 0.100 L…

Q: A student wants to make a 1.600 M aqueous solution of barium sulfate, BaSO4, and has a bottle…

A: To calculate the final volume of the solution for 1.6 M solution of BaSO4 containing 12.00 g of…

Q: t is time for the titration.  You measure 15.0 mL of the H2C2O4 solution with a 100-mL graduated…

A: The titration is carried out between oxalic acid solution and sodaium hydroxide solution. The…

Q: color.  What is the concentration of the NaOH solution? The molar mass

A: At equivalent point,  Geq. of NaOH  = Geq. of KHP N1V1 = N2V2 M × 16.8 /1000 = 0.261/204 M = 0.076M

Q: An analytical chemist weighs out 0.182 g of an unknown triprotic acid into a 250 mL volumetric flask…

A:

Q: A chemistry student weighs out 0.146 g of lactic acid (HC,H,O,) into a 250. mL volumetric flask and…

A: Mass of lactic acid = 0.146 gMolar mass of lactic acid = 90 g/molMoles of lactic acid = Mass of…

Q: An analytical chemist weighs out 0.073 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Given : Mass of monoprotic acid = 0.073 g  Concentration of NaOH = 0.1200 M And volume of NaOH…

Q: it is time for the titration.  You measure 15.0 mL of the H2C2O4 solution with a 100-mL graduated…

A: The addition of solution of a known concentration to a solution having unknown concentration of…

Q: cal chemist weighs out 0.087 g of an unknown monoprotic acid into a 250 mL volumetric flask and…

A: We should equal equivalent of both acid and NaOH ion to get molar mass of acid  Equivalent =…

Q: 0.644 g of wood bleach, which contains oxalic acid, H2C2O4, was placed in an Erlenmeyer flask.  The…

A: Balanced chemical equation: 2KOH  +  H2C2O4  ------>   K2C2O4  +   2H2O  Number of of moles of…

Q: 5.00 mL of 2.32 M Fe(NO3)3 is combined with 1.00 mL of 0.50 M HClO4 and 4.00 mL of 2.00 × 10–2 M…

A: The reaction between Fe(NO3)3, HClO4, and KSCN is shown below.…

Q: A 7.428 g sample of KHP, a monoprotic acid, requires 49.68 mL of a KOH solution to reach the…

A: The amount of KHP moles in the KOH , concentration:The amount of KHP moles in the sample:For the…

Q: A chemist prepares a solution of iron II  bromide    FeBr2    by measuring out  1.0g  of  FeBr2…

A: The molarity of a solution represents the number of moles of solute present in one liter of a…

Q: A chemist prepares a solution of barium acetate (Ba(CH,CO,),) by measuring out 1.3 x 10 umol of…

A:

Q: In the laboratory you dissolve 14.9 g of barium acetate in a volumetric flask and add water to a…

A: Molarity = Number of moles of solute/Volume of solution in L Number of moles = mass/molar mass

Q: A 25.0 mL sample of phosphoric acid requires 22.5 mL of 1.1 M sodium hydroxide for complete…

A: Since, Molarity is the number of moles of solute dissolve in one litre of the solution. Thus,

Q: A chemist prepares a solution of potassium bromide    KBr    by measuring out  0.17g  of  KBr…

A: Given : Mass of KBr dissolved = 0.17 g Volume of final solution = 300 mL = 0.300 L…

Q: O Macmillan Learning How many moles of sodium sulfate (Na2SO4) are in 35.3 g of the compound? number…

A:

Q: A student wants to make a 0.600 M aqueous solution of barium sulfate, BaSO4, and has a bottle…

A: Given Molarity = 0.600 M Mass of BaSO4 = 12 g

Q: An analytical chemist weighs out 0.073 g of an unknown triprotic acid into a 250 mL volumetric flask…

A: Given : Mass of triprotic acid = 0.073 g  Concentration of NaOH = 0.1500 M And volume of NaOH…

Q: An analytical chemist weighs out 0.061 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Given: Mass of acid = 0.061 g Molarity of NaOH = 0.1900 M Volume of NaOH = 3.3 mL = 0.0033 L

Q: You perform a titration between Sodium Hydroxide (NaOH) and Hydrochloric Acid (HCI). NaOH is in the…

A: Here we are required to find the concentration of HCl.

Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for