A solution is 1×10-4 M in NaF, Na,S, and Na3PO4 What would be the order of precipitation as a source of Pb2* is added gradually to the solution? - The relevant Ken values are: sp Kgp(PbF,) Ksp(PbS) Ksp[Pb3(PO,)2] = 1 x 10-54 = 4 x 10-8 = 7 x 10-29 %3D

Q: Phosphorus (P4) and oxygen react to produce diphosphorus pentoxide.  If the percentage yield of the…

A: Phosphorus reacts with the oxygen to form diphosphorus pentoxide. The equation for the balanced…

Q: 6. For the reaction Cu(s) = Cu(g) AH° = 81,730 – 0.47T – 0.731x10³T? AS° = 34.94 – 1.08 log10T -…

A: Given-> ∆H° = 81730 - 0.47 T - 0.731× 10-3T2 ∆S° = 34.94 - 1.08logT - 1.46 × 10-3T

Q: Describe the preparation of a 250 mL of 5 M aqueous HCl solution from a 35% (v/v) concentrated…

A: Given: Concentration of final solution = 5 M Volume of final solution = 250 mL = 0.250 L…

Q: lasswork for 5 Che x E Water and Solutions x = Roland Morris - %By x…

A: 1. The higher the pull for electrons the stronger the oxidizing agent. So the element with the…

Q: A solution is made by dissolving 44.5g of urea (H2NCONH2, a non-volatile non-electrolyte) in 260g of…

A:

Q: 18. In the diagram below, label the substance layers based on their density values. Water: 1.00g/ml…

A: Please find your solution below : Density is defined as mass per unit volume. The liquids that have…

Q: Calculate A H for H2(g) + Cl2 (g) 2HCI (g) based on the reactions: AH = -176 kJ AH = -99.22 kJ =…

A: Hess' law states that change in enthalpy of reaction is same whether it takes place in single step…

Q: जाNe काट nmss of चकnc m दुn १ ४०c ०4 चंकाट \S ०.388১/8'C .चnc i5 उरcतामी० केटक्ी headed ৪৪. 3C Jo…

A:

Q: 1- Explain another methods by which cytotoxicity is measured ?

A: Cytotoxicity can be measured by a method in which through asessing cell viability by  using the…

Q: Describe the preparation of a 250 mL of 5 M aqueous HCl solution from a 35% (v/v) concentrated…

A: Given: Concentration of final solution = 5 M Volume of final solution = 250 mL = 0.250 L…

Q: can someone please help me with the molecular refraction and increase in R per CH2 group? thank you…

A:

Q: 3. The recation of 9.66 g 02 with 9.33 g NO produces 10.1 g NO2. What is the percent yield?

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

Q: The pKa of benzoic acid is 4.2 Using henderson hasselbalch equaequation calculate the ratio of…

A: Given:: pKa = 4.2 pH = 7.9 ratio [R-COOH] : [R-COO-] = 1: ?

Q: Four solutions of an acid dissolved in water are sketched below, as if under a microscope so…

A: According to the Arrhenius theory, the substance that gives hydrogen ion H+ in the aqueous solution…

Q: What is the hydraulic fluid pour point requirement for a system which is operating -20° C A) -21° C…

A:

Q: wing mixtures has the highest buffering cap 2-10.90 M PO43- 2-10.10 M PO43- e the same buffer…

A: Buffer solution is the mixture of weak Acid/base with its conjugate base/acid. Buffer which have…

Q: Please answer this immediately. Thank you!

A: Functional group of the molecule shows an characteristic property. Generally these are the groups of…

Q: Calculate the heat change (in kJ) for the conversion of 500 g of water vapor at 130.0°C to ice at…

A: Give: Mass of water = 500 g. Initial temperature of water = 130.0 oC And final temperature of water…

Q: For the redox reaction given below complete the following: 4AI (s) + 302(g) → 2AI2O3 (s) (a) What is…

A: The addition of electrons or decreases in the oxidation state is known as a reduction reaction and…

Q: 2.2.91 moles of silicon dioxide (SiO) are dissolved in a 1.93 kg aqueous solution. What are the ppm…

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

Q: When working with very low concentrations, such as 0.000245 M, it can be more convenient to…

A: Molarity: It is the number of moles of solute present per Litre of the solution. The units of…

Q: Propose a synthesis of the following molecule using benzaldehyde as your only source of carbon.…

A: GIVEN:-

Q: Calculate AH for 4N204(g) → 2N20(g) + 4NO2 (g) + 302 based on the reactions: 2NO2 (9) + 2NO(@) + O2…

A: Using Hess's Law, calculate for the change in enthalpy of the given reaction.

Q: Bb C Online t. Bb (Review Topica) (References) Use the References to access important values if…

A: This is an example of acid base reaction where barium hydroxide reacts with hydrochloric acid to…

Q: A BOA kd ous soluion How many ppm of Br, s ths oluton 35.1 pp

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

Q: Rationalise what adding Na2O (a network modifier) to B2O3 does to the structure of the glass. Begin…

A: Using a combination of experiments and molecular dynamics simulations using newly constructed…

Q: The solubility of silver sulfate (Ag2SO4) in moles per liter can be expressed in terms of the…

A:

Q: Briefly describe how you would make 500 mls of a 1X electrophoresis running buffer from a 15X stock…

A: Given: concentration of stock solution = 15 X And the concentration of final solution = 1 X And the…

Q: Carry out each calculation and report the answer using the proper number of significant figures.…

A:

Q: Using Hess's Law, calculate for the change in enthalpy of the given reaction. Calculate ∆ H for…

A: Given,  2NO2 (g) + 2NO(g) + O2 (g) →2N2O4 (g) ∆H1 = −228.54 kJ4NO(g) + 2N2O(g) + 5O2 (g) →4N2O4 (g)…

Q: Using these results, what value should you report for the Ksp of AgCl? 06.7 x 10 10 03 x 10-11 01.5…

A: Ksp of AgCl = 1×10^-10

Q: Consider a hypothetical diprotic acid (H2A) with pKa1 = 7.301 and pKa2 = 10.00. A 40.0-mL sample of…

A: GIVEN:- Consider a hypothetical diprotic acid (H2A) with pKa1 = 7.301 and pKa2 = 10.00. A40.0-mL…

Q: Indicate whether the following statements are true or false: v A reaction that is spontaneous in the…

A: Given that

Q: Phosphorus (P4) and oxygen react to produce diphosphorus pentoxide.   If 196.23 g of diphosphorus…

A:

Q: Et + CH;0 `Me Alta concentración Br Et + CH3OH `Me Br

A:

Q: Magnesium and nitrogen react to produce magnesium nitride.  How many grams of magnesium nitride are…

A:

Q: Calcium sulfide and water react to produce calcium hydroxide and hydrosulfuric acid.  How many grams…

A: Given : Mass of water = 46.11 grams

Q: 1 can you draw cellulose in 2 D structure please

A:

Q: What is the temperature and length of time it takes for boron-doped graphene to diffuse into…

A:

Q: Using the periodic table for this course (Chem 100 Periodic Table.pdf ), which substance contains…

A:

Q: google.com/forms/d/e/1FAlpQLSdljP-fEy80lqljkAAOXL12mhsGSzu01J_UZWFbal220 realism - The M. New folder…

A: 2:30 - The best solvent on the earth is water. This is because it dissolves many substances other…

Q: n acid or base in

A:

Q: Question 29 Indicate whether EACH statement is true or false A buffer resists pH change by reacting…

A:

Q: 1

A:

Q: How do we keep relative supersaturation low by controlling solubility?  a. solubility should be…

A: Supersaturation is the driving force for precipitation which is defined by the difference between…

Q: Which of the following best describes the Ksp expression for Pb(OH)2? OAP62 (2 x [OH]) OB [Pp2*j (2…

A:

Q: From the following series of reactions find the free energy of formation of N204(g) at 25°C: % N2(g)…

A:

Q: NABH a. CH,OH [1] LIAIH b. (2] H2O

A:

Q: For the following reaction and data (all data is valid at 298 K): 4??2(?) +?2(?) +2?2?(?) ⇌ 4???3(?)…

A: Given that

Q: % By Volume.

A: