pH of acidic buffer when strong base is added to it (a) Calculate the pH of a solution when 0.010 mol of solid sodium hydroxide is added to a 1.0 L of acidic buffer (A buffered solution contains 0.50 M acetic acid (Ka = 1.8*10-5) and 0.50 M sodium acetate. pH = 4.74) (b) Calculate the % dissociation of acid.

Q: The carbonate of metal M has the formula M2CO3. This metal carbonate reacts with hydrochloric acid…

A: Answer :-  a) Moles Of HCl = 6.75 ×10-3 (mol)  b) Moles Of M2CO3 = 3.38 ×10-3 (mol)  c) Molar mass…

Q: Exercises Build, draw, and assess the polarity of the following molecules 1. N₂ (Nitrogen gas, major…

A:

Q: W Retest acids and bases.docx *Retest Acids/Bases O Retest: Acids/Bases or Docs, Sheets & Slides…

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

Q: Help fast

A: The Newman projections of the above given molecule are as follows:

Q: someone please help me answering questions #1, #3 and #5? Thank you

A: Since your question has multiple parts, we will answer the first question for you. If you want…

Q: A student uses a strip of metal in an electrolysis circuit in which the metal strip serves as the…

A:

Q: In which one of the following structures does the central atom have a formal charge of +2? a. SF6 b.…

A: fomal charg=velence electrons-non bonding valenc electrons(Lone pair)-Bonding electron /2

Q: 8. How would the entropy of water vapor change if it were compressed at 150 °C?

A: Entropy of the substance is defined as the measure of degree of randomness. Greater the randomness…

Q: ne number of grams of krypton in th

A: In this question we have to determine the number of grams of Krypton in the mixture with above…

Q: What will happen when hexane is added to water? Select one: hexane will dissolve in water. hexane…

A: step 1we need to find that what happens when hexane is added to waterfor mixing to takes place there…

Q: Which wavelength given below corresponds the lowest photon energy? O475 nm 450 nm 550 nm O 650 nm

A: Which wavelength having lowest photon energy ?

Q: Is the drink of boba tea with pearls in the cup a pure substance that is an element, a pure…

A: Element: An element is formed by only one type of atom. All the atoms in the element are the…

Q: 1.Which of the following reagents do you use to synthesize cyclohex-3-ene carboxylic acid methyl…

A: Hello. Since more than one question has been posted, the first question shall be only answered in…

Q: Which are valid Lewis structures for thiocyanate, SCN ? =%3D EN: :s-CEN: A C D E O Structures D and…

A:

Q: kindly answer 7th-10th item please thank you

A: Since we know that  n = Principle quantum number , it represent the number of shell in the electron…

Q: Identify the chiral molecule among the following * Isopropanol 2,3-dimethyl-2-butene 2-hexanol…

A: Chiral center  The Carbon center in the Molecule to which 4 different atoms or elements are attached…

Q: Specific gravity has unit (a) g/cc (b) g/L (c) unitless (d) both g/cc and g/L

A: Specific gravity shows the relation of the density of any object with the density of water.

Q: How many joules of heat are required to convert 6.56 moles of N2 gas at 252.24K to liquid at its…

A: Boiling point is the temperature at which there exists an equilibrium between liquid and gaseous…

Q: In a reaction, 0.77 kg of V;Os are reacted with 0.88 kg of Ca as the following chemical. Equation:…

A: Disclaimer: Since you have posted a question with multiple sub-parts, we will solve first three…

Q: Use the following information to answer the next question. Iron (III) oxide (Fe203) called rust, can…

A:

Q: 16 The element oxygen consists of three naturally occuring isotopes: "o, "o, and 18 °O. The atomic…

A: Average atomic mass: The average atomic mass of an element is the sum of the masses of its isotopes,…

Q: 88) (a) (b) (c) (d) The effective nuclear charge for 4s and 3d electrons in nickel are 4.05 and 7.55…

A: The expression for the effective nuclear charge Z∗ is Z∗=Z−SHere, Z is the nuclear charge and S is…

Q: tHe Structure below, determine the hybridization of the nitrogen atoms labelled A and B? A is sp; B…

A:

Q: 22 From the following compounds, the 3º- amine is: * 1-methylcyclohexylamine O N,N-diethylethanamine…

A: The question is based on the concept of organic chemistry. We have  to identify the tertiary amine.

Q: For the equilibrium system below, determine which direction the equilibrium will shift under each…

A:

Q: c) A methane hydrate has the formulae CH4•XH2O. Methane makes up 15% of the mass of 'methane…

A: (c) Let assume, the mass of methane hydrate (CH4·xH2O) is Y g/mol. The mass of methane (CH4) is 15…

Q: (8 marks) Show the synthesis of the product in Figure Q3(b) below from 1,2-dichloro ethane. H HH…

A: the mechanism of the reaction are given below in attach image .

Q: The rate constant for a reaction is 1.4x10" dm°mol"'s. Calculate the half-life of this reaction if…

A: Half life is given by T1/2= a/2k ,where a= initial concentration and k is rate constant. Here k= 1.4…

Q: A solution is made by dissolving 0.624 mol of nonelectrolyte solute in 889 g of benzene. Calculate…

A:

Q: A reactant decomposes with a half-life of 149 s when its initial concentration is 0.312 M. When the…

A:

Q: For the reaction: N2(g) + O2(g) 2NO(g) a) Determine AHºrxn and AS rxn for the reaction. b) Assuming…

A:

Q: Element Quantity C H O 9 8 4 Carbon? What is the percent composition of aspirin? Average atomic mass…

A: Given,  Element Quantity    Average atomic mass                          (amu)        Subtotal (amu)…

Q: Give a detailed reaction mechanism for the following problem that predicts the major product(s),…

A:

Q: • Reachion at ropm temp (23°C) Change of entropy of 2.1 klcal /mol*K change vì enthalpy -17 Kcal/mol…

A:

Q: If you have 6.4E23 atoms of carbon, how many moles do you have? Question 2 What would 4.1C23 atoms…

A: Number of moles of a chemical compound is used to measure the amount of compound in the given…

Q: Question 2 Choose all of the following that result in a chemical change O when you open a can of…

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

Q: (c) The graph in Fig. 17 shows the change in solubility of three solids, A, B and C, with…

A: Answer:- This question is answer by using the given solubility curve given for various solids at…

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.