A solution was prepared by dissolving 21.5 g of benzoic acid, HC;H5O2, and 37.7 g of sodium benzoate, NaC;H5O2, in 200.0 mL of solution. а. Calculate the concentration for benzoic acid and sodium benzoate. b. Explain why this solution is a buffer. С. Determine the pH of the buffer.

Q: 1. Density of solids by volume displacement| Solid Copper Сopper Glass Iron Aluminum Form Wire…

A:

Q: Solve the following problems using either Avogadro's or Gay-Lussac's Law. Be sure to include unit…

A:

Q: Compare and contrast a frozen freezer pop with one that is still in the liquid state. Describe the…

A: In a substance, the state of the matter or the phase of the substance depends on the arrangement of…

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: then one of use cheap samples crept into our stock of metal sample and you "unknown metal". Note:…

A: To determine the metal in each case

Q: The weight of a metal sphere was measured to be 5.99 g. Unfortunately, the caliper that was supposed…

A:

Q: Before heating 4 qt. saucepan 8 qt. stockpot 24.5 °C Temp. 24.5 °C Temp. After heating for 5 minutes…

A: Water has specific heat constant of 4.184 J per g per oC which means that 4.184 J of energy is…

Q: HI, I need help to answer this question for chemistry lab.   For a liquid to be used in the…

A: Density is defined as the mass per unit volume. It is express in g/mL. The compound having low…

Q: State the mass for 1 mol of hydrogen fluoride HF. Express your answer to two decimal places include…

A: Mass of one mole of compound is defined as the molar mass of the compound. STP (also called standard…

Q: Please answer question number 1 correctly with the correct answer. there is a picture of an example…

A: Atomic mass of carbon = 12 amu Atomic mass of hydrogen = 1 amu Atomic mass of oxygen = 16 amu…

Q: do you solve for density before or after you add liquid?

A: Density is a measure of mass per unit of volume. It is a physical property of a substance that…

Q: Consider a gas sample with an initial pressure of 481 torr and a volume of 15.1 L. What is the…

A:

Q: A stack of ten pennies is found to have an average % composition of copper equal to 2.52% by mass.…

A: Given that : Average % of copper = 2.52 % The total mass of ten pennies = 25.2 g We have to…

Q: Total laboratory automation typically includes which of the following?     Question 16 options:…

A: The question is asking about the components typically included in a total laboratory automation…

Q: There are two different sizes of paperclips and they have been connected into clusters by linking…

A:

Q: A 324.0 mL sample of carbon dioxide was heated to 303 K. If the volume of the carbon dioxide sample…

A: This question is simple conceptual problem and based the "Charles law". In this question we have to…

Q: 14. Calculate the volume occupied by a sample of silver if it has the mass of 5.25 g and its density…

A: Given  Mass of silver sample = 5.25 gram  Density  = 10.5 gram/ cm3 Volume  = ?

Q: How many grams are in 1.73 mol of dinitrogen pentoxide (N2O5)?

A:

Q: .  Which is more accurate and precise when measuring liquids: Erlenmeyer Flask or Beaker? why? 2.…

A: There are several instruments used to measure the volume of liquids, including: Graduated cylinder…

Q: e. Cul2 g. HgCl2 i. HgO k. FeS

A: e. CuI2 - Copper(II) iodide

Q: What happens to the gravitational force between two objects if the distance between them increases?…

A: Gravitational force is the universal force of attraction acting between all matters.

Q: Question is attached

A: Interpretation: A balanced chemical equation of aqueous potassium hydroxide with aqueous iron(III)…

Q: 중'A 500m In 20°C

A: Burette - It is a graduated glasstube for measuring volume and is used to put specific volumeof…

Q: PC Use the diagram to answer the following question. Uranus axis of rotation not to scale Which of…

A: The Axis (or rotation) of the Uranus is tilted about 98⁰ to the perpendicular of its orbital plane.…

Q: Procedure and Data Density of Volatile Substance 1. Measure the mass of the empty glass beaker to…

A: ♦ Density : Density is the mass of an object per unit volume .The equation of density can be…

Q: How many mL of 0.556 molar magnesium chloride must a scientist pour into a beaker to have 17.6 g of…

A:

Q: Two scales were being used in the whole scenario, the first one is a truck scale and the second one…

A: Both the truck scale balance and the analytical balance are used to measure the mass or say the…

Q: Can you please solve #9,10,11  show all of your steps and explain how you do it, the second picture…

A: Your calculation for #10 (theoretical percent of silver in silver chloride) is correct.  Your…

Q: 3x < 3 or 4x + 6 < -3 and write the solution in 4 Solve interval notation.

A:

Q: Use calculator to solve the problems. Write your answer in scientific notation with correct number…

A:

Q: What are the Safety Measures/ Precautions in the Science laboratory and classroom while doing a…

A: In this question we need to answer what are the precautions or safety measures that must be kept in…

Q: general chemistry , please solve question 2

A: Nitrogen can form various oxoacids.  The given acids names and structures are written below

Q: Please answer this question as fast as you can please and tahnk you. I will afterwards write an…

A: In the titration we used a primary standard solution to determine the concentration of unknown…

Q: Temperature is a macroscopic measurement of a microscopic phenomenon Group of answer choices True…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: a) true,

A: To provide the strength, toughness, and endurance at high temperatures, superalloys are made from…

Q: There is a strong force of attraction betwee False Collisions do not occur when particles are in the…

A: Intermolecular forces refer to the type of interactions which are present in between atoms or…

Q: Use the virtual lab to prepare 150.o mL of an iodine solution with a concentration of o.06 g/mL from…

A: Given : Concentration of stock solution = 0.18 g/mL Concentration of final solution = 0.06 g/mL And…

Q: n he Question 5 A graph that displays a straight line when the reciprocal of the concentration is…

A: Question 5 As it is given that the graph of reciprocal of concentration vs time gives a straight…

Q: below: a.) Point A is the fracture strength; Point B is the ultimate tensile strength and Point C…

A: The terms in stress-strain graph follows in a way 1-proportional limit - up to which the hook's law…

Q: Volume of balloon (L) Temperature (Kelvin) 298 2.00 303 308 313 2.03 2.07 2.10 318 2.13 323 2.17…

A: Note - Since you have asked multiple questions, we are supposed to do only the first question for…

Q: POSSIBLE Water exists as a solid (ice), a liquid and a gas (steam). Which state of matter will water…

A: Water can be present in three states of matter I.e. solid, liquid and gas.

Q: Sometimes in lab we collect the gas formed by a chemical reaction over water (see sketch at right).…

A:

Q: True or false?  (No need explanation) different types of gloves protect against different types of…

A: Here three statement is given and question asked about the statement is true or false.

Q: 14.98+27,340+87.7593

A: Firstly, dd the small values i.e 87.7593 and 14.8, followed by adding 27,340

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.