How will the following sitations affect the final calculation of the molarity of HC2H3O2? An air bubble was present in the tip of the buret when making the intial volume reading, but not when making the final volume reading.  After the standardization of the NaOH solution using solid H2C2O4 * 2H2O, the molar mass of anhydrous oxalic acid was used to calculate the molarity of the NaOH solution.

Q: A lemon-flavored drink contains an unknown amount of citric acid, C5H8O7. What is the molar…

A: Given :-  C5H8O7 + 3NaOH --> Na3C5H5O7 + 3H2O  Volume of C5H8O7 solution = 100.0 mL  Molarity of…

Q: What volume (in mLmL) of a 0.125 M HNO3 solution is required to completely react with 27.0 mLmL of a…

A: The balanced reaction takes place as follows: Calculation of no. of mol of Na2CO3:

Q: How many moles of Co2+ and how many moles of Cl- are present in 50.0 mL of 0.0500 M CoCl2 times…

A: Given, Molarity of CoCl2. 6H2O = 0.0500 M           Volume of solution = 50.0 mL  We know that,…

Q: Suppose that 10.00 mL of 0.0100 M IO3- solution requires 13.25 mL of the thiosulfate solution to be…

A: Given data,

Q: HCI+NaHCO3-->NaCl+H2O+CO2 A sample of NaHCO3 weighs 0.1015g requires 47.21ml of HClto react…

A:

Q: An unknown solid acid is either citric acid or tartaric acid. To determine which acid you have, you…

A: Answer:- This question is answered by using the simple concept of determination unknown acid using…

Q: What will the molarity be of the resulting solutions made by mixing the following? Assume that…

A:

Q: A student adds a small amount of phenolphthalein to an erlenmeyer flask, and it changes to pink when…

A: Phenolphthalein is colourless in acidic solution while it turns pink in a basic solution

Q: Which of the substances below is soluble in water? O pentanoic acid (a carboxylic acid) OHCI O Cas O…

A: Option (d) all of these

Q: The balanced equation for the neutralization reaction of aqueous H2SO4 with aqueous KOH is shown.…

A: The balanced neutralisation reaction taking place is given as, => 2 KOH (aq) + H2SO4 (aq)…

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: When left in an open beaker for a period of time, the volume of 275 mL of 0.105 M NaClis found to…

A: Given, The Initial volume is 275 mL. The initial concentration is 0.105 M. The final volume is 237…

Q: Suzy is titrating 10 mL of potassium hydroxide with 6.7 mL of 0.15 M sulfuric acid. What is the…

A: This problem can be solved by using the molarity equation which is :                   M1 V1n1=M2…

Q: al 0.3IT M 5. Forgetful Freddy weighed his KHP sample, but forgot to bring his report sheet along, o…

A: Given: Standardization of NaOH using KHP KHP + NaOH = KHP-Na  + H2O NaOH: V = 18.46 ml M = 0.2987 M…

Q: Calculate the number of moles of solute in 95.71 mL of 0.1495 M K2Cr2O7(aq).

A: Solution stoichiometry involves the calculation of concentration of solutions in the given…

Q: Calculate the molarity of a phosphoric acid (H3PO4) solution that is 84% by mass phosphoric acid and…

A:

Q: Calculate the molarity of a throat spray

A:

Q: The balanced equation for the neutralization reaction of aqueous H2SO4 with aqueous KOH is shown.…

A: Balanced Reaction H2SO4 (aq) + 2KOH(aq) ---> K2SO4 (aq) + H2O(l)  Given Data Volume of H2SO4 =…

Q: What volume of 0.125 M oxalic acid, H₂ C₂O4, is required to react with 12.6 mL of 0.542 M NaOH?…

A: Given: Concentration of H2C2O4 is 0.125 M Concentration of NaOH is 0.542 M Volume of NaOH is 12.6 mL…

Q: How many grams of pure sodium carbonate are needed to standardize a 0.20 N HCl when you expect the…

A: Given that -  Normality of HCl = 0.20 N  Volume of HCl used = 25.0 mL    Then mass of HCl can be…

Q: In the reaction shown below what volume of 1 M solution of acetic acid (HC2H302) is needed to react…

A: mole ratio 1 mol calcium carbonate = 2 mol acetic acid

Q: What volume of 0.10 moldm-3 sulphuric acid would be required to neutralise a mixture of 1.06 g of…

A: Recall the given reactions,H2SO4  +  2 NaOH  →  Na2SO4  +  2 H2OH2SO4  +  Na2CO3  →  Na2SO4  +…

Q: Suppose 0.190 g 8f 1.0 III M aquebus ver hitrate. lodide is dissoived in tion of Calculate the final…

A: Molarity  is equal to the number of moles of solute dissolved in per liter of solution. It is…

Q: Question 4

A: Given data:

Q: If the complete neutralization of 250mL of a H3PO4 solution requires 47 mL of 2.2 M KOH, what is the…

A:

Q: 10.0mL of concentrated H3PO4 (aq) is diluted to the final volume of 250 mL. Then 150 mL of the…

A: Given:  Volume of concentrated H3PO4 solution = 10 ml  volume after dilution = 250 ml  Volume of…

Q: What volume, in mL, of 0.587 M H2SO4 is required to neutralize 12.7 mL of 0.302 M NaOH according to…

A: Since from the balanced reaction we can see that 2 mole of NaOH needs 1 mole of H2SO4 to neutralise…

Q: The reaction of phosphoric acid (H3PO4) with sodium hydroxide (NaOH) is represented by the following…

A: Equation for the reaction of phosphoric acid with sodium hydroxide is as follows.…

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: If water is added to 0.80 g of NaOH to bring the volume of the solutiion to 150.0 mL, what is the…

A:

Q: 2. Would the calculated value of the molarity of the NaOH s or unchanged if the following errors…

A: a) Low b) Unchanged c) Low  d) Low

Q: Which of the following solutes does NOT behave as an electrolyte when it is dissolved in water?…

A: Species which ionize in water and hence conduct electricity are called electrolyte.

Q: What is the final molarity when 250ml 0.35M KBr is mixed with a)150mL water b)150 mL 0.25 Kbr

A:

Q: The balanced equation for the neutralization reaction of aqueous H2SO4H2SO4 with aqueous KOHKOH is…

A: Given,0.380 M KOH20.0 ml of 0.110 M sulfuric acid

Q: Volume of HCL sample = 15ml Molarity standardized NaOh solution = .09929 Initial buret reading =…

A: Given information, Molarity of standardized NaOH solution (M1) = 0.09929 M Volume of NaOH used (V1)…

Q: what volume of 0.250 M NaOH is required to react completely with 0.0100 moles of H2SO4?

A: Molarity ( M )  is defined as the number of moles of solute ( n ) dissolved in one litre of…

Q: If 50.0 mL of NaOHNaOH solution is required to react completely with   0.44 gg    KHPKHP, what is…

A: Given :- Volume of NaOH = 50.0 mL  Mass of KHP = 0.44 g  To calculate :-  Molarity of NaOH solution

Q: The balanced equation for the neutralization reaction of aqueous H₂SO4 with aqueous KOH is shown.…

A:

Q: During a lab experiment performed at STP conditions, you prepare HCl by reacting 100. ml of Cl2 gas…

A: H2(g) + Cl2(g)----> 2HCl

Q: Oxalic acid (H2C2O4) of an unknown concentration was used to titrate 25.0 mL of a 0.500 M of NaOH.…

A: Oxalic acid is dibasic acid  As per given data   oxalic acid is taken in burette.  Burette volume =…

Q: How many milliliters of 0.380 M NaOH are required to exactly titrate 15.478 grams of H2C2O4?

A: Given :-  Mass of H2C2O4 = 15.478 g  Molar mass of H2C2O4 = 90.04 g/mol  Molarity of NaOH = 0.380 M…

Q: KHP + NaOH—> KNaP +H2O Data of trial Mass of KHP : 0.8085 Initial buret containing NaOH reading:…

A: The given chemical equation is as follows: KHP + NaOH → KNaP + H2O The mass of KHP = 0.8085 g The…

Q: What is the theoretical yield of Pb(OH)2 when 250 mL of 2.8 M Pb(NO3)2 is made to react with 100 mL…

A: Given: Volume of Pb(NO3)2 = 250 mL = 0.25 L Molarity of Pb(NO3)2 = 2.8 M Volume of NaOH = 100 mL =…

Q: How much farther down the river would the spill have to spread in order to achieve a "safe"…

A: MCHM is 4-methylcyclohexanmethanol. The molarity of a solution defines the number of moles of solute…

Q: Sodium carbonate is a reagent that may be used to standardize acids in the same way that you have…

A: Ratio of number of moles present in the solution to the volume of solution in liter is defined as…

Q: In the reaction H3PO4 + 2KOH →K2HPO4 + 2H2O if 16.5 mL of H3PO4 with an unknown molarity react with…

A: Molarity os defined as moles of solute present per liter of solution.

Q: The balanced equation for the neutralization reaction of aqueous H2SO4 with aqueous KOH is shown.…

A: Volume of KOH is calculated as follows

Q: Molarity of KMNO4 solution (M) from bottle Final reading of buret (KMNO4) (mL) Initial reading of…

A: We have to find the moles of KMnO4

Q: The following photograph shows the laboratory apparatus required for preparing an aqueous solution…

A: The given diagram is represented as follows:

Q: What is the resulting molarity of LiOH after dilution (but BEFORE any possible chemical reaction) if…

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

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