Question: answer the question below. 4. A 300mL buffer is prepared in which [HCO3]=0.2M and [CO32]0.075M a) What is the pH of this buffer (KaHCO3=4.71011) ?

answer the question below. answer the question below. 4. A 300mL buffer is prepared in which

4. A 300mL buffer is prepared in which [HCO3]=0.2M and [CO32]0.075M a) What is the pH of this buffer (KaHCO3=4.71011) ? b) What is the pH of the buffer if 0.0100 moles of HCl are added? c) What is the pH of the buffer if 0.0200 moles of NaOH are added

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Chemistry Questions!

answer the following questions. 2. 30mL of a 0.4375MHCl solution are added to 35mL of 0.250NaOH solution. What is the final pH ? 3. A solution with a pH of 2.91 is prepared by dissolving 1g. of...

Measurment and application Prelaboratory Assignment: pH: Measurement and Application. 1. Calculate [H]and [OH] for solutions with the following pH values: a) 4.0 b) 8.52 c) 12.60 2. 30mL of a...

answer the following questions. Prelaboratory Assignment: pH: Measurement and Application. 1. Calculate [H+]and [OH]for solutions with the following pH values: a) 4.0 b) 8.52 c) 12.60 2. 30mL of a...

A 300mL buffer is prepared in which [HCO_(3)^(-)]=0.2M and [CO_(3)^(2-)]0.075M \ a) What is the pH of this buffer (K_(a)HCO_(3)^(-) ) = ( 4.7\\\\times 10^(-11)) ?\ b) What is the pH of the buffer if...

Solution A Solution B Kinetic Trial Deionized Water Buffer Starch 0.1 MH:0,*** 1 2 40 ml 3.0 ml 2.0 ml. 10 ml. 20 ml. 0.0 ml 5.0 ml 100 ml 100 ml 1.00 ml 100 ml 1.00 ml 1.00 ml. 100 ml 1.00 ml 0.3....

Scenario 2 should be answered given gel electrophoresis marks. Please give a guideline on how to answer this question. SCENARIO 1 IS JUST FOR BACKGROUND INFORMATION 2. Hypothetical protein analysis...

Please answer Activity 5: Operation of Standard Buffers: In the Table below, note the pH of the following solutions placed into Beakers. Then answer the question at the end of the table. Beaker #...

Home . Acitis Male! Use the References to access important values if needed for this question Teres 2. Buen Caldes pared Avec G. 4. Apr A buffer solution contains 0.342 M NaHSO, and 0.238 M Na, 50,...

pleas help me to answer this question 1) Aerobic organisms transfer electrons from fuel molecules to. 2) Define isoelectric point. 3) If a molecule has n chiral carbons, how many stereoisomers does...

please answer everthing with solution. ill make sure to vote up! Solve the following problems while observing the proper number of significant figures. Show your solutions. Atomic Weights: H= 1.00...

Optics Company uses the direct method for preparing its statement of cash flow. Optics reports the following information regarding 2019: From the income statement: Sales Revenues, $268,000 Cost of...

In a movie, the hero jumps straight down from a bridge onto a small boat that continues to move with no change in velocity. What physics is being violated here?

Question 4 Cash flows in the future are sunk. opportunity costs. transaction costs. illiquid. liquid.

Suppose that you're given the head pointer H to a singly-linked list, and a pointer X to one of the nodes in the list. You're now given a pointer to a new node Y. Write a C++ code to insert Y into...

9. True or False: The financial crisis hastened the ongoing process in which the financial services industry was transforming from having a few large firms to many small firms. LO34.8

3. Recall the formula that states that $V = 1/P , where V is the value of the dollar and P is the price level. If the price level falls from 1 to 0.75, what will happen to the value of the dollar?...

4. Which group votes on the open-market operations that are used to control the U.S. money supply and interest rates? LO34.4 a. The Federal Reserve System. b. The 12 Federal Reserve Banks. c. The...