What is the pH of a solution that is 0.400 M in formic acid and 1.00 M in sodium formate? Ka = 1.8 x 10^-4

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A: In 1924 de Broglie postulated wave‐particle duality for the electron and other massive particles, wh...

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Q: Salicylic acid reacts with acetic anhydride to form aspirin, acetylsalicylic acid. If the percent yi...

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Q: Calculate the volume of each solution, volume of water and the total volume. 0.00150 M Fe³+. 0.00150...

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Q: A sample of 2.0 moles of a diatomic ideal gas undergoes an adiabatic reversible compression. Calcula...

A: We have to calculate the temperature of final state.  

Q: What is the of a buffer that has [CH3CO2H] = 0.700 M and [CH3CO2]- = 0.600 M?

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Q: 4.53 What monomer unit might be used to prepare the following polymer? CH3 CH3 CH3 CH3 CH3 ý CH,.CH,...

A: A monomer is a type of molecule that has the ability to chemically bond with other molecules in a lo...

Q: half-reactions

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Q: O KINETICS AND EQUILIBRIUM Calculating equilibrium composition from an equilibrium constant Suppose ...

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Q: 1. Amines are classified according to the number of alkyl or aryl groups directly attached to a cert...

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Q: H,C „CH3 H,SO,, H,0 CH3 The two major products are a) enantiomers b) diastereomers c) the same molec...

A: Hydration of double bond occurs via carbocation intermediate formation. Most stable intermediate giv...

Q: Prepare 100 mL of 0.01 M acetate buffer, pH 3.80, from stock solutions of 0.1 M acetic acid and 0.02...

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Q: On any paper, complete the table: IUPAC Names for the Continuous Chain Alkanes and It's S...

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Q: The volume of gas at 27 C is 400mL.What will be the volume of that gas at 47 C, if the pressure is h...

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Q: 4.21 Name the following alkenes, and predict the products of their reaction with (i) KMNO4 in aqueou...

A: Here, we have to write the names of the given alkenes. Also, we have to predict the products when th...

Q: what is the lewis structure of POF3, its geometry, intramolecular forces and covalence

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Q: In the compound K4[Fe(CN)6], the oxidation state of iron and its coordination number, respectively, ...

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

Q: Select the two conditions which would cause a decrease in the density of a gas. MМ. Р D = R·T decrea...

A: The ideal gas equation can determine the density of a gas PV=nRT, where P, V, n are the pressure, vo...

Q: How many kilograms of water is needed to prepare 7.12 molal of solution using 23.0 g KNO2? The molar...

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Q: The concentration of hydroxide ion in an aqueous solution at 25°C is 3.9 × 10⁻⁴ M. What is the conce...

A: Given :  Temperature = 25 °C  [OH-] = 3.9 x 10-4 M   

Q: How many grams of Ag2CO3 will precipitate when excess (NH4)2CO3 solution is added to 44.0 mL of 0.68...

A: The balanced reaction involved is 2AgNO3 (aq) + (NH4)2CO3 (aq) ----> Ag2CO3 (s) + 2NH4NO3 (aq) Mo...

Q: (d) The figure below represents an FCC structure. Determine: i. The relationship between the lattice...

A: Face centred cubic structure can be defined as  the structure in which atoms are present at corners ...

Q: Gaseous ammonia chemically reacts with oxygen gas to produce nitrogen monoxide gas and water vapor. ...

A: Ammonia reacts with oxygen to form nitrogen monoxide and water. The equation for the balanced chemic...

Q: oratory 2 port Sheet - Lab 2 estions and Problems (Show complete setups.) A patient received 825 mL ...

A: Given :-  Volume  = 825 mL Volume of  plasma = 8.5 pints  To convert :-  Both values in liters

Q: Calculate the standard deviation of the data below. 2.4 ppm, 2.1 ppm, 2.1 ppm, 2.3 ppm, 1.5 ppm

A: Standard deviation:The standard deviation is a measure of the variation in a given set of data. A lo...

Q: 22. The table shows the observed colors of 22. The table shows the observed colors of copper complex...

A: Hence option C is correct that is Y^ - <X^ - <Z^ -

Q: grai

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Q: How do I know if something is an acid so I can avoid eating it?

A: Answer :

Q: H3C HO Br H3C- H3C- Br H CH3

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Q: What is the number of o bonds and ä bonds in one molecule of this compound?

A: In any between two atoms is presence single bond consider as a Sigma bond where as a double bond pre...

Q: Which increases the rate at which concrete forms? O Increasing pressure O Adding calcium nitrate or ...

A: Answer:

Q: Can I get research question examples In chemistry lab

A: In chemistry lab ,we will find various research related questions.Let's write about it in next step.

Q: Table of Molar Mass (g/mol) Na,so, 142 Bacl, 208 Baso, 234 Nacl 58.4 Answer the questions below for ...

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Q: 3. A 100 mL sample of hard water is titrated with 22.4 mL of the EDTA solution from problem 2. The s...

A: Answer :

Q: 4. Determine the oxidation state for all atoms in each of the following compounds a. KMNO4 b. NiO2 c...

A: Oxidation state is the hypothetical charge an atom would have if all bonds to atoms of different ele...

Q: Determine if the temperature will increase, decrease, or remain the same for each of the following s...

A: In an exothermic reaction, heat is released to the surrounding from the system. In an endothermic re...

Q: LEAST reactive on the table below: Ag, Cu, Fe, H, Mg, Ni, Pb, Sn, Zn https://teachchemistry.org/clas...

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Q: Complete the table below. Round each of your entries to 2 significant digits. You may assume the tem...

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

Q: Consider the following data on some weak acids and weak bases: acid base K. name formula name formul...

A: From the data of ka and kb we can predict the ph of the solution, the salt formed by the weak acid b...

Q: calculate Ka and the percent ionization of an acid HA given that 0.70 M of HA has a pH of 4.00

A: Weak acid are those acid which does not dissociate completely in aqueous solution. 

Q: what is the change in the enthalpy in kj/kg for the complete combustion of 39.0 g of fructose, rough...

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Q: Which of the following would serve as the best reducing agent for Fe2 (aq) to produce iron solid? Gi...

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Q: How many different isomers of [Cu(dmp)(POP)][BF4] are there?

A: We have to find the no of isomers of [Cu(dmp)(POP)][BF4] .

Q: 8 Chem101 14.4 Hydrolysis of Salt X Microsoft PowerPoint X |M Inbox (569) - mirandae X M Lab 3/1-ela...

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Q: The pk, for the acid dissociation reaction of bicarbonate is 10.33. HCO3 (aq) + H2O(1) 2 CO32-(aq) +...

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Q: Calculate e* values for the galvanic cells based on the following overall reactions. Assume that all...

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Q: the 4 Hume-Rothery rules

A: We have to tell in this question that the 4 Hume- Rothery rules that gives guidelines on the likelih...

Q: What assumptions are made about the gas in the ideal gas equation model? Consider · Volume (particle...

A: To follow the ideal gas equation, which is PV=nRT  the gas has followed some assumption, 1- volume o...

Q: A volume of 30.0 mLmL of a 0.550 MM HNO3HNO3 solution is titrated with 0.670 MM KOHKOH. Calculate th...

A:  We have to predict the volume of base required to reach equivalence point   

Q: . Which absorbs photons of the longest wavelength? A. [CoCla]²- B. [Co(H20)6]?+ C. [Co(NH3)6]²* D. [...

A: To determine which of the given complex absorb photon having largest wavelength  among all given com...

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.