QUESTION 4 A 0.200 M of hydrobromic acid, HBr was titrated completely with 20.0 mL of 0.100 M methylamine, CH3NH2 at 25°C. Calculate the pH of salt solution produced at the equivalence point. K₂ of CH3NH3* is 2.3 x 10-11. HBr (aq) + CH3NH2 (aq) → CH3NH3Br (aq)

Q: Question 14 Which of the following statements about energy is false? O Energy cannot be converted…

A: Energy cannot be converted from one form into another

Q: hi explain the basic about chemistry

A: Chemistry is a branch of science, which studies the properties of and interactions between matter…

Q: Figure 10-5 -8г 2 OCH 3 (3) кроеви, 4. COCHS кто ви ензон heat А. В. с. 'T Е. F. ОСН3 оснз LOCH 3

A: In the majority of the organic reactions, a mixture of products is obtained. In this mixture, some…

Q: density of irregular solid mass of irregular solid 9.039 g initial volume 68 mL final volume 74…

A: Given , Mass of irregular solid = 9.039 g Initial volume = 68 mL Final volume = 74 mL Total volume…

Q: please solve questions 2

A: Q2.Given that, 60Co undergoes radioactive decay.The half-life of it is .We have to calculate the…

Q: What is 89.2+62.3 estimated?

A:

Q: B. Calculate the following information. USE THE FACTOR-LABEL METHOD TO DO YOUR CALCULATIONS!!! 1. A…

A: The density of a solution is calculated by the formula: Density=MassVolume   Note: Since you have…

Q: Hi was wondering how to solve number 4

A: Pentane is a hydrocarbon. The equations for the complete and incomplete reactions are written in the…

Q: None

A: Answer image:

Q: This question is complete.... is it 1,2,3 or 4?

A: This question not complete. It should be and instead or . Now This question is complete 1,2,3 and 4

Q: 6. The question is shown in the image attached.

A: Option --C

Q: Question 64

A: Conversion factors are used for the conversion of one unit into another unit. It is defined as the…

Q: The two compounds in A ar The two compounds in Bar the same molecule skeletal isomers functional…

A:

Q: Use the following information to answer question 1. A group of students is asked to design and…

A: To answer the following question.

Q: Research which level or levels of government are responsible for regulations about arsenic

A: To describe about the government regulations about arsenic.

Q: How do I apply this in the answer chart that was given? in other words how do I write out the entire…

A: Here, we have to find the mass of FeCl3 in 155 mL of 0.762 M FeCl3 solution.

Q: Could the remaining questions be answered as well?

A: (4) To find out the mass fraction of the saturated solution of NaOH.

Q: se solve for questions 1-8 using th

A: Answer 1: Mass of potassium bicarbonate is obtained by subtracting the mass of evaporating dish from…

Q: Question 15 The relationship between Ka and pOH is? O Directly proportional

A: pH scale is used to measure acidity or basicity of a solution. If pH of solution is less than 7 then…

Q: Blank 1 is a cheap material used to create buildings, bridges, and other massive constructions.…

A: Concrete consists of mixture of aggregates i.e.sand , gravel, portland cement water.

Q: Question 3 ) Could please explain. I've been watching videos, but none have been adding a whole new…

A: The question  is based on le-chatelier principle.   IT states that when a system at EQUILIBRIUM is…

Q: How to answer number 67

A: Applying concept of chemical bonding.

Q: wish i could visit a tutor during these times.  May I please get a break down for number 12. I'm…

A:

Q: I got the answer wrong, this was the reply "It looks like your answer is off by a factor of…

A:

Q: Which is a property of a nonmetal? A. Poor conductor of electricity B. Solid at room temperature C.…

A: We know that a nonmetal is Poor conductor of electricity

Q: A quantity of substance that can be seen would be considered the A level.

A: The complete sentence is: "A quantity of substance that can be seen would be considered the…

Q: I am required to enter answers in each box provided for the question. The answer that was provided…

A: Using unit conversion formula, mass of sample can be determined.

Q: 2-86 When each of the following measurements are length is convert to inches, using a conversion…

A: The conversion factor used in the unit conversion has infinite number of significant digits. In the…

Q: 4) Write down the relationships your derived above as mathematical equations m = mass (g) AT =…

A: From Experiment-1, mass(m) is inversely proportional to change in temperature(∆T) when heat is…

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.