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Q: Which of the following statements is important when assessing a gravimetric analysis? the desired…

A: Precipitation of gravimetric method : The analyte is separated from a solution of the sample as a…

Q: By is an exothermic reaction. 1) Ag) Analyze when this reaction is spontaneous (i.e. spontaneous at…

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Q: 4. Given a stock 14.8 M ammonia solution a. How many milliliters of this solution must you dilute to…

A: Number of moles of ammonia = Concentration of ammonia (M) × Volume of solution (L) Number of moles…

Q: A salt unknown containing ferrous ion was dissolved and diluted to 407.8 mL. A 47.56- mL aliquot of…

A: Given : Cf = 0.6961 M Vf = 16.34 ml M  = 5 mol Va  = 47.56 ml   Finds :  To calculate Mass of iron…

Q: The following reaction occurs in aqueous acid solution: NO, + I- –→ I0, + NO2 In the balanced…

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Q: 1D TopSPIN Multiplet Table ID Shift [ppm] J[Hz] M 1 7.9901 7.0159 2 7.6243 6.9655 7.2951 6.9655 3 2…

A: 1H NMR spectroscopy is useful to determine structure of organic compounds.Proton NMR spectroscopy…

Q: A student recorded the following end-point volumes in a redox determination of ferrous iron against…

A: Here we are required to find standard deviation for the end point volume used during redox titration…

Q: Part C. -log [Cu2*], pCu Ecell (V) measured Ecell (V) theoretical Half-Cell Half-Cell Zn?+/Zn 0.1 M…

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Q: Select all methods from the list below that can be used for the analytical determination of reducing…

A: Analytical determination of reducing agents

Q: Part D What is the pH change of a 0.270 M solution of benzoic acid (pK₂ = 4.19) if 0.175 M benzoate…

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Q: A0.148-g sample of an unknown was analyzed for its P content. The SOP which was used for this…

A: We have to calculate the gravimetric factor with five decimal places according to the question.

Q: PLS HELP ASAP ON ALL ASKED QUESTIONS AND SHOW ALL WORK

A: a) Rate law , Rate = k[NO]2[H2] b) overall order = 3 c)Rate constant, k = 5.0×105 M-2s-1d) Rate =…

Q: Consider these compounds: A. Caso3 B. CuCo3 C. Pb3(PO4)2 D. Baз(PО4)2 Complete the following…

A: Answer: In this question we have to predict whether we can compare the solubility of the compounds…

Q: What is the concentration of Br (aq) in a solution prepared by mixing 75.0 ml Of 0.62 M iron (III)…

A: Number of moles of solute present in 1 liter of solution is known as molarity of the solution.

Q: 152 = A 352.44 155 T 362.31 Your Answer: -276.8 kJ 2 Answer 153 units G 355.67 156 X 365.88 154 D…

A: Given, The reaction: AG2+ 2 XD  →  AD2 + 2 GX      ∆Hrxn =-276.8 KJ mass of GX = 29.10 g.

Q: plz help and show all work

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Q: B. If the pH of a weak acid solution is 2.500 and the solution has a concentration of 0.100M, what…

A: Given: pH = 2.5 Concentration = 0.100M

Q: What is the correct Ksp expression for the sparingly soluble salt lead(11) chloride? Ksp = [Pb4+]…

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Q: A popcorn tree that is 3.70 m tall grows at a rate of 2.743 x 10 mm/s. How many meters tall would…

A: Given that, the height of the popcorn tree is 3.70 m.The growth rate of the tree is 2.743×10-5…

Q: Four different substance each have identical masses. The specific heat capacities of these four…

A: The quantity of heat required to alter the temperature of a unit mass of a substance by one degree…

Q: A 18.79-ml aliquot of a 0.3974 M potassium hydrogen phthalate solution prepared from primary…

A: According to the law of equivalency, at the neutralization point  Amount of KHP = Amount of NaOH…

Q: Solubility measures the minimum about of a sparingly-soluble salt that will dissolve in water at 25…

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Q: A student used two scales to measure the length of a nail and recorded the following measurements:…

A: In the measurement of a set, accuracy is the closeness of the measurements to a specific value,…

Q: 1. If the [H3O+] = 1.7 x 10-4 M, what is the [OH-]? 5.9 x 10-¹¹ M 2. If the [H3O+] = 5.4 x 10-⁹ M,…

A: Formula :

Q: What is the mass number for an atom of osmium containing 76 protons and 112 neutrons?

A: The number of protons in the nucleus of the atom is equal to the atomic number (Z). The number of…

Q: At high temperatures, dinitrogen tetroxide gas decomposes to nitrogen dioxide gas. At 500 °C, a…

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Q: 8. How many grams of KNO3 are contained in 245 mL of 3.00 M KNO3 solution?

A: The molarity of the KNO3 solution is 3.00 M and the volume of the solution is 245 mL. The mass of…

Q: Select all examples of Keg expressions in which the "eq" is replaced to make the Kexpression more…

A: GIVEN:-

Q: A student recorded the following end-point volumes in an iodometric titration using starch…

A: Titration error is  -3.89 x 10-4  .

Q: There are two main types of gravimetric analysis. Volatilization methods are based on isolation and…

A: The given statement is false. Volatilization gravimetry involves separating components of our…

Q: The atmospheric pressure on the surface of Venus is 6.84 × 10 ' torr. Calculate the atmospheric…

A: We have to convert the given atmospheric pressure in torr to mmHg and atm. The atmospheric pressure…

Q: Repeats of 12.64 mL samples of a 0.2937 M primary standard zinc ion solution were titrated with an…

A: Given that -  Volume of standard zinc ion Solution = 12.64 mL  Molarity of standard zinc ion…

Q: A student used two balances to measure the mass of a standard weight with a mass of exactly 100.00 g…

A: Accuracy refers to how closely a measurement matches with a correct value. Precision refers to how…

Q: Sulfur trioxide is formed from the reaction between sulfur dioxide and oxygen: 2 SO2((g)) + O2((g) =…

A: Given reaction: 2SO2(g) + O2(g) ⇌ 2SO3(g) We have to find what will happen to the equilibrium if the…

Q: 14. The composition of TE buffer is 10 mM Tris-HCI, 1 mM EDTA. You are given a stock solution of 1M…

A: Since you have posted multiple questions, we will solve first one question for you. To get remaining…

Q: An ASA tablet was boiled in 1.0 M NAOH solution following the procedure in this experiment. The…

A: A numerical problem based on tools in analytical chemistry that is to be accomplished.

Q: 4. The hydrogen ion concentration of a type of vinegar is 0.00126 mol/L. Determine the vinegar's pH…

A: Understanding the pH of substances, such as vinegar, is crucial for various applications, including…

Q: The strength of the eggshell of birds is determined by the calcium carbonate content of the…

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Q: Using Appendix 2 in your textbook, what is the standard change in entrops 2CH) 1502(g)-> 12CO₂(g) +…

A: Entropy is a thermodynamics property which measure randomness of the system. It is an application of…