None 3. Construct a reaction table for experiment #4, the addition of 15 mL NaOH, 30. mL H2O and 15 mL H3PO4. (All entries should be in millimoles.)+3 NaOH(aq)4023.H3PO4(aq)initial4015.change (A) 40☑Na3PO4(aq)0+ 3 H2O×x4.0-23.(to the 0.1 mmol)(to the 0.1 mmol)final4.0✓4.04.00(to the 0.1 mmol)(to the 0.1 mmol)For experiment #4, which is/are the limiting reagent(s)? (Select all that apply.)H3PO4NaOHH₂ONa3PO4

For the construction of the reaction table for the experiment, calculate the initial moles (in…

Answered: 3. Construct a reaction table for…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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You may want to reference (Page 834) Section 18.3 while completing this problem. Part A If 130.0 mL of 0.0020 M Na2SO4 (aq) is saturated with CaSO4, how many grams of CaSO4 would be present in the solution? [Hint. Does the usual simplifying assumption hold?] Express your answer using two significant figures. VE ΑΣΦ ? m = 0.43 Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining g
MISSED THIS? Read Section 18.6 (Pages 823-826); Watch IWE 18.12. Determine the minimum concentration of the precipitating agent on the right to cause precipitation of the cation from the solution on the left. 9.0x10-2 M Cala; K2SO4 Express your answer using two significant figures. [K₂SO4]= ΜΕ ΑΣΦ Submit Request Answer Part C 1.7x103 M AgNO3; RbCl Express your answer using two significant figures. [RbCl] ΜΕ ΑΣΦ Submit Request Answer M M
What phenomenon is observed when the two solid starting materials are blended together? Why does this happen?
5.) Regarding the second preliminary test, if 100.0 mL of 0.050 M BaCl, is combined with 150.0 mL of 0.0075 M Na,CO3, calculate Q. Q = x 10:5
✓ ?? 14. Two groups of students were asked to check the concentration of ammonia in a particular brand of cleaning product because there had been complaints about that brand. The students placed a 25.0mL sample of cleaning product in a volumetric flask and made it up to 250mL using distilled water. They then performed a titration by using 25.0mL of the diluted ammonia solution in a conical flask and 0.10 moll-¹ standardised hydrochloric acid in a burette. One group used bromocresol green (pH range 4.0-5.6) as the indicator and obtained the following results: Titration Volume of acid 1st 23.2 added (mL) 2nd 22.9 3rd 22.8 4th 22.9 a) Calculate the concentration of the diluted sample. b) Calculate the concentration of ammonia in 1L of the original sample.
Indicate the direction (left or right) of the equilibrium shift when the indicated stress is applied to the system. Then briefly explain the prediction and answer follow up questions.
HOC3- = 4.8x10^-11
Pls help Calculate the pH of a solution (aq., 25 oC) prepared by dissolving 23.632 g of solid methylammonium chloride (CH3NH3Cl) in 1.00 L of 1.10 M methylamine (CH3NH2). The Kb for methylamine is 4.40 × 10-4. Report to two decimal places. MM CH3NH3Cl = 67.518 g/mol
10-13. How many milliliters of 0.202 M NaOH should be added to 25.0 mL of 0.023 3 M salicylic acid (2-hydroxybenzoic acid) to adjust the pH to 3.50?
1. You will use 0.5mM PNPP, 0.2M Tris-HCl, and 1mM P; stock solutions to prepare two sets of five samples (Sets A and B), each with varying P; concentrations. The PNPP concentration for all samples in Set A will be 0.05mM; and 0.150mM for all samples in Set B. Fill out the tables below and use them to prepare your samples. Be aware of the following: • Prepare the samples directly in cuvettes. Prepare one sample at a time to minimize exposing PNPP to air. You can prepare the next sample while the current one is being measured. • Each sample before adding enzyme (i.e., the cuvette only contains PNPP, Pi, and Tris-HCI) is its own blank. In other words, you add the appropriate amounts of PNPP, Pi, and Tris- HCI to a cuvette, press "Measure Blank", then add 100μL of AP to the same cuvette, mix, and press "Measure Sample". • You must blank the instrument (before adding the enzyme) each time you prepare a new sample. Table 1. Sample Set A (PNPP concentration = 0.05mM) Final [Pi] (μM) Vol of…
2-14. Calculate the p-value for each of the indicated ions in the following: (a) Na*, Cl, and OH- in a solution that is 0.0235 M in NaCl and 0.0503 M in NaOH. (b) Ht, Cl-, and Zn2+ in a solution that is 0.800 M in HCl and 0.101 M in ZnCl2. K+, OH-, and Fe(CN)- in a solution that is 3.79 X 10-7 M in K,Fe(CN), and 4.12 x 10-7 M (c) in KOH.
A nephrolith is formed due to Ca (II) oxalate, phosphate or urate precipitation. Will CaC204 precipitate if the concentration of oxalate anion C2042- in blood plasma increase to 3.8•10-4 mol/L; the concentration of Ca2+ in plasma blood is 1.8 · 10 mol/L, Ksp(CaC204) = 2,3 · 10-9 mol?/L2 4

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