Calculate the minimum pH needed to precipitate Mn(OH)2 so completely that the concentration of Mn2+ is less than 1 microgram per liter (1 part per billion (ppb)).

Q: Water is added to 25.0 mL of a 0.716 M KNO3 solution until the volume of the solution is exactly…

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Q: A chemist makes 580.mL of iron(III) bromide FeBr3 working solution by adding distilled water to…

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Q: 7.27 How many hydrogens does each of the following compounds have? (a) CsH₂O₂, has two rings and one…

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Q: Draw the major product of this reaction. Ignore inorganic byproducts. CI O

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Q: 2. H-C=C-H(g) + 2H2(g) →H3C-CH3(g)

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Q: a) Calculate the potential of the following cell Zn(s) | Zn^2+(aq 0.37M) || Ni2^+ (aq 0.059 M) | Ni…

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Q: A 0.674 M cobalt(II) chloride (CoCl₂) solution is prepared with a total volume of 0.0750 L. The…

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Q: for the reaction A -> B where at t=0, t=20s, t=40s A=0.30 mol A=1.0mol A=0.54mol B= 0.46mol…

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Q: Which radiation has the lowest frequency? O X-rays O Ultraviolet O Red light O Blue light

A: Given :-  X-rays  Ultraviolet  Blue light  Red light   To identify :- light with lowest frequency

Q: Calculate the potential, E, for the following cell at 25°C: Al | Al³+ (0.151 M) || H (3.43x10-3 M) |…

A: Since you asked multiple questions so as per Q&A guidelines of portal I solved first question…

Q: Which of the following pairs show two atoms with the same number of neutrons? Providen an…

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Q: Chloride ion concentration in the fluid surrounding human cells is approximately 25mM (millimolar).…

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Q: A certain light has a wavelength of 725 nm and another light has a frequency of 4.28 X 1014 /sec.…

A: Given data :  Wavelength of one light = 725 nm  Frequency of another light = 4.28 × 1014 sec-1…

Q: Rank the waves in increasing frequency: Wave 1 620 nm Wave 2 3.55 x 10-7 m Include only the number…

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Q: 14. Consider this reaction: 2 NO(g) → N₂(g) + O₂(g) The AH° for this reaction is - 180.6 kJ/mol, and…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: Calculate the wavelength in nm of 5.14 x 10¹4 s-1 light. Do not report units in your answer. Report…

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Q: Name the following structure

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Q: Find the volume of HCl gas at STP required to prepare 3.30 L of a 0.129 m HCl solution (assume water…

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Q: 2NF₁(g) + 3H₂(g) → N₂(g) + 6HF (9) - (This problem requires values in your textbook's specific…

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Q: What is the molarity of a 3.36 m solution of KCl dissolved in water, given that the solution has a…

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Q: NH4+ {aq) + NO2(aq) -> N2(g) +2H2O{l}   Data                       Initial [NH4+]…

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Q: Which of the following functional groups can be seen in the Amino Acid? H₂N Amino Acid 0 . OH ether…

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Q: Part 4. H NMR Unknown. Propose a structure that is consistent with the data provided and write your…

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Q: Q1; Predict and write the range of IR vibrations of main functional groups in the following…

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Q: OE n= QUESTION 20 Calculate the energy of a photon emitted when an electron in a hydrogen atom…

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Q: 11 Using molarity to Calculate the volume in milliliters of a 3.84M sodium nitrate solution that…

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Q: Complete and balance the following neutralization reaction: NaOH(aq)  +  HC2H3O2(aq) --> What are…

A: The unbalanced chemical equation given is  NaOH(aq) + HC2H3O2(aq) →

Q: Provide an acceptable name for the compound shown below. Spell out the full name of the compound.

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Q: Which radiation has the longest wavelength? O Infrared O X-Rays Microwave Radio waves

A: ANS. Radio Waves

Q: Assign the configuration of each chiral center in the following stereoisomer of 3-bromo-2-butanol:…

A: Given compound: We have to find the configuration of each chiral center.

Q: Write a condensed molecular formula fpr 3-methyl-4-ethylonane

A: The name would be 3-methyl-4-ethylnonane. And the structure of 3-methyl-4-ethylnonane is given…

Q: If the temperature of 42.5 g of ethanol increases from 20 °C to 80.6 °C, how much heat has been…

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Q: When considering enzyme kinetics, we typically consider them at equilibrium O at the beginning of…

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Q: What is the likely charge of the ions formed by members of the following families? Alkali metals…

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Q: C) CaCO3(s) → CaO(s)+CO2(g)   Calculate the value of the equilibrium constant. Express the…

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Q: What is the molarity of a 20% potassium hydrogen phthalate KHC6H4(CO2)2? (a) 0.0979 M (b) 0.00979 M…

A: Molarity (M) is a concentration term for a solution. The molarity of a solution is defined as the…

Q: Using the data in the tables and Coulomb's law, calculate the energy change for this reaction (per…

A: We have ask here to calculate energy change for the reaction of  Ca(g)  + S(s)  -----> CaS(g)  By…

Q: Which of the following statement is INCORRECT? a. In general, alkaline buffering capacity is…

A: A buffer is a solution which resist change in pH and obtained when a weak acid and the salt of its…

Q: A 9.13-g sample of vanadium is heated to 99.10 °C and is then placed into 20.0 g water in a…

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Q: Calculate the concentration (in molarity) of an NaOH solution if 25.0 mL of the solution is needed…

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Q: Water is negligibly soluble in octane (gasoline) at room temperature because of the major difference…

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Q: Data for the titration of 100.00 mL of a weak acid by NaOH are given in the table. Find the end…

A: To find end point by preparing Gran's plot.

Q: A buffer solution is made that is 0.370 M in CH3COOH and 0.370 M in CH3COONa. (1) If Ka for CH3COOH…

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Q: gas contained in a steel tank has a pressure of 1.5 atm at a temperature of 177°C. What will be the…

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Q: What's are the products of this reaction  MgE2(aq) + LiOH(aq)

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Q: Calculate the observed rotation of a substance that is dissolved in solution at 2.5 g/mL and is 75%…

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Q: Consider the waves below. Which of the statements is NOT TRUE when comparing wave, A with A MA A…

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Q: H₂ + O₂ H₂O₂ O2- 16g 2g 18g The chemical equation above demonstrates that-- The atoms on the…

A: We know three laws of chemical combination: (i) Law of conservation of mass (ii) Law of Definite…

Q: Study the radioactive decay curve below. What is the half-life of this isotope? Explain how you…

A: Half life : It is the time required to reduce the concentration exactly half of the initial…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.