How many moles of Na,SO4 are in a 0.140 m aqueous solution that was prepared with 2.30 kg of water ? STARTING AMOUNT ADD FACTOR ANSWER RESET *( ) 322 609 mol Na,SO4 2.30 g water 1 g Na,SO4 0.609 kg water 142.04 kg Na,SO4 45.7 0.322 0.140 6.022 x 1023

Q: helpp asap!! An aqueous solution of hydrofluoric acid is 16.7% HF, by mass, and has a density of…

A:

Q: Supplemental Exercise 1. Two aqueous solutions (labeled "Solution A" and "Solution B") contain…

A:

Q: What mass of K2CO3 is needed to prepare 82.0 mL of a solution having a potassium ion concentration…

A:

Q: How many hydrogen atoms are in 0.1488 g of phosphoric acid, H,PO,? atoms H 0.1488 atoms H STARTING…

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: TUTOR A solution is made by dissolving 24.2 g of ammonium bromide, NH,Br, in enough water to make…

A:

Q: What is the mass in grams of KBr in 0.400 L of a 0.350 M solution? X STARTING AMOUNT ADD FACTOR…

A:

Q: Compute the weight (g) of solute needed to make the solutions listed below: a. 1250 mL of 0.85 M…

A: Introduction The molarity is equivalent to the ratio of solute moles' to the solution volume…

Q: What willl be the Molar concertration of the 333.85  HCl solution prepared from 4 mL of concentrated…

A: Volume of HCl solution = 333.85 ml  Can consider unit in ml to solve this problem. Volume of…

Q: What volume (mL) of standard NaOH solution is needed to neutralize 24.2 mL of 0.9978 M HCl solution,…

A: We have 24.2 ml of 0.9978 M of HCl, 5.13 g of KHP was used to standardize 12.7 mL of the NaOH…

Q: Initial volume of buret (mL) 0.40 Mass of KHP (g) 1.345 Observations color change Final volume of…

A:

Q: Info provided: Formula mass of KHP is 204.22g/mol Mass of KHP(g) is 1.9970g Vol. of NaOH is 33.23…

A:

Q: What volume of 6.00 M NaOH is required to prepare 100.0 mL of 0.100 M NaOH?

A: According to the dilution law of solution we can prepare low concentration of solution from a high…

Q: How many milliliters of 0.112 M Na2 CO3 will completely react with 27.2 mL of 0.135 M HNO3 according…

A: Since you have asked a question with  multiple sub-parts, we will solve  first three sub-parts for…

Q: Find moles HC2H302 in vinegar sample Volume of vinegar sample transferred, ml-25.00 mL Molarity of…

A: The moles of CH3COOH present in vinegar sample is calculated by the following formula,

Q: In volumetric analysis, the mass is measured to calculate the concentration of the analyte Select…

A: In volumetric analysis, volume of a solution is measured to calculate the concentration of analyte.

Q: STARTING AMOUNT X How many moles of Na,SO, are in a 0.140 m aqueous solution that was prepared with…

A: Molality of solution is defined as number of moles of solute dissolved per kilogram of solvent.

Q: 3. The data in Table 3 below shows the percent extraction of HNO3 solutions by the Zano method. Plot…

A: A question based on graph, which is to be accomplished.

Q: Dapsone tablets, labelled 50 mg has an average tablet weight of 0.6509 g.  2.0g of powdered tablets…

A: Given: Dapsone tablets, labelled 50 mg has an average tablet weight of 0.6509 g.  Mass of powdered…

Q: Given: Volume of sample = 50.00 mL NaOH (mL) used = 33.20 mL Molarity of NaOH = 0.09693 M Molar…

A: Answer:- firstly from the chemical reaction of acetic acid and NaOH, molarity of acetic acid…

Q: KHP + NaOH—> KNaP +H2O Data of trial Mass of KHP : 0.8084g Initial buret containing NaOH reading:…

A:

Q: Formula mass of KHP is 204.22g/mol Mass of KHP(g) is 1.9767  Vol. of NaOH is 33.07   What is the…

A: The given volume of NaOH does not contain any units. So, let us assume that the given volume of NaOH…

Q: Dapsone tablets, labelled 50 mg has an average tablet weight of 0.6509 g.  2.0g of powdered tablets…

A: The balanced reactions given are, 1) NaNO2 + HCl → HNO2 + NaCl2) R-NH2 + HNO2 + HCl → R-N2Cl + 2 H2O…

Q: If you have 155 mL solution of a 0.762 M FeCb solution, how many g FeCb are contained in this…

A:

Q: he fe 2. A student, performing the same experiment as you, recorded the following information.…

A:

Q: In the laboratory you dissolve 12.3 g of silver(I) fluoride in a volumetric flask and add water to a…

A: Given data :- given mass = w = 12.3 g Volume of solution = v = 375 mL…

Q: What is the molarity of a solution containing 15.0 g of sodium hydroxide dissolved in 1.00 L of…

A:

Q: 3. Which of the following statement/s is/are correct? I. 6.00 N H2CO3 is equivalent to 3.00M H2CO3.…

A: Normality = Molarity * No of H+ ions Molarity = No of moles / Volume (L) No of moles = Mass / Molar…

Q: Fe(OH)3___________ + HNO3___________ → HOH + Fe(NO3)3 How many mL of 0.878 M Fe(OH)3 are required…

A: The given unbalanced chemical reaction is: Fe(OH)3___________ + HNO3___________ → HOH + Fe(NO3)3 How…

Q: what is the volume of the solution?

A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…

Q: Exercise 10.4

A: Since you have asked a question with multiple sub-parts we will solve the first three sub-parts for…

Q: Procedure: 1) Preparation of 100 mL 0.1N Na2CO3 2) How much is the molarity of the prepared solution…

A: Normality is the no of moles of solute dissolved in 1lit of solution where as molarity is the no of…

Q: I need help calculating the percent deviation please. reaction equation - 2 MnO4− + 5 C2O42− + 16 H+…

A: We would use formula of percent deviation to calculate percent deviation in Molarity of KMnO4.

Q: A solution with a concentration of copper(II) sulphate is 0.30 mol/L. What mass of sulphate ions…

A: Concentration of copper(II) sulphate (CuSO4) is 0.30 mol/L Volume of the solution = 300 mL = 300 ×…

Q: Question 1 of 10 Subm How many moles of Na,SO. are in a 0.140 m aqueous solution that was prepared…

A: Given: The mass of water, (w) = 2.30 Kg. The molality of the solution, (m) = 0.140 m.

Q: Vhat is the molarity of the solution with respect to NaCl? Express your answer using two significant…

A:

Q: 3. Which of the following statement/s is/are correct? 1. 6.00 N H2C03 is equivalent to 3.00M H2CO3.…

A:

Q: 3. Which of the following statement/s is/are correct? I. 6.00 N H2CO3 is equivalent to 3.00M H2CO3.…

A:

Q: How many hydrogen atoms are in 0.1488 g of phosphoric acid , H,PO,? STARTING AMOUNT ADD FACTOR…

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

Q: H3CsH5O7 (aq) + 3 NaOH (aq) Na;C6H507(aq) + H2O (aq) Citric Acid Trial 1 Trial 2 Show Calculations…

A: The question is based on the concept of titrations. we are performing titration of citric acid with…

Q: Find the percentage composition of the following compounds with solutions  (NH4)2S N2S2 TiO2 C4H8…

A: Since you are asked for multiple sub-parts, we are entitled to solve first three only.

Q: What volume in of a 0.32 M Mg(NO,)2 solution contains 45 g of Mg(NO,)2 ? STARTING AMOUNT ADD FACTOR…

A:

Q: Molar concentration of the bleach stock solution: .134 mol/L Solutions(Dilutions) Concentration%…

A: The concentration of sodium hypochlorite for different experiment is calculated in  step two

Q: 1. [1] Volume of acid (mL) 25.0 25.0 25.0 [2] Burette reading of NaOH, initial (mL) 2.16 1.14 2.79…

A: All calculation and values have been illustrated in the table attached in step 2. (Values have been…

Q: Self-Assessment No. 2 Compute the weight (g) of solute needed to make the solutions listed below: a.…

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

Q: How many mL of 0.146 M NaC2H3O2 are needed to supply 15.7 g NaC23O2 ? Answer in mL

A: Given that:  Molarity of NaC2H3O2 = 0.146M = 0.146mol/L Mass = 15.7g  Molar mass of NaC2H3O2 = molar…

Q: Full Adaptive Learning Objectives Mastery POWERED BY KNEWTON 1 2 3 2 Learning Objective: 8.C…

A: Mass percent is the ratio of intital mass to the final mass

Q: Which statement(s) below is( are) correct. Select all that apply. A. The number of moles of solute…

A: The solution is given below -

Q: A. DATA AND RESULTS: Trial 1 Trial 2 Trial 3 (if needed) Mass of KHP used 407g 0.002 M 0.002 m.…

A:

Q: Initial volume of buret (mL) 1.90 Mass of KHP (g) 2.075 Observations color change Final volume of…

A: Given data,Mass of KHP=2.075gInitial volume=1.90mLFinal volume=34.78mL

Q: help with calculations DATA: EXPERIMENT 16 PART 1: Known CaCl₂ solution Molarity of Na2CO3 solution:…

A: