Question: Kindly answer these. thanks ! #6: A student is conducting molecular weight determination of an unknown diprotic acid. He first prepared a 250 ml NaOH

Kindly answer these. thanks !

#6: A student is conducting molecular weight determination of an unknown diprotic acid. He first prepared a 250 ml NaOH (39.997 g/mol) titrant solution, which he then standardized with 0.5830 g of KHP (204.22g/mol) which consumed 24.02 mL of the titrant. After standardization, he weighed 0.2108 g of unknown diprotic acid and the titration reached the endpoint at a volume of 21.58 ml. (a) What is the standardized concentration of the titrant? (b) What is the molar mass of the diprotic acid? #7: Methyl red (Ka = 6.3 x 106) is a common acid-base indicator. Its un-ionized form is red and its anionic form is yellow. What color would a methyl red solution have at pH = 7.8? Choices: red orange yellow green

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 Chemical Engineering Questions!

For the plane truss shown in Figure P3-34, node 2 settles an amount ( = 0.02 in. Determine the forces and stresses in each element due to this settlement. Let E = 30 106 psi and A = 2 in2 for each...

Kindly answer asap thanks Health care workers who use latex gloves with glove powder on a daily basis are particularly susceptible to developing a latex allergy. A sample of 40 hospital employees who...

kindly answer each. Thanks 1. Answer the following questions: a) Explain the nature of salesmanship. b)State three definitions of salesmanship. Compare one from the other and write a working...

An Italian producer of wine concluded a contract with an English buyer for a supply of red wine. According to the contract, the seller was obliged to provide the buyer with a sample of the finished...

kindly answer tutor thanks Odd-man Out. Choose the letter that does not belong to the group. Select one: a. Debt ratio b. Interest coverage ratio c. Time-interest earned d. Return on equity Odd-man...

Kindly answer all, thanks! Question 20 he following are the cash flows of two projects Yew Project A Project 0 (200) $ (200) 80 100 2 BO 100 3 00 100 80 if the firm has a payback rule using a cut off...

Please kindly answer all, thanks in advance Question 3: Bank of Maldives expects that Maldives Rufiyaa (MVR) will appreciate against Bangladeshi Taka (BDT) from its spot rate of 5.50 to 5.70 in 45...

A five year lease, appropriately classified as operating, calls for annual payments of $16,000 every January 1, beginning at the lease inception date of January 1, 2022. As an incentive to win the...

Kindly answer ASAP. Thanks Question# 02: Draw a decision tree, consistent with the training data in the table-2. Also, formulate a Boolean expression which defines the same concept as your tree....

I'm uploading this question 2nd time , because first time i got answer of this question which contains 30 pages but no one is related to my question,The expert just uploads random 5/6 answer of...

Match each term that follows with the related term. 1. Discount 2. Callable 3. Face interest rate 4. Unsecured 5. Registered 6. Term a. Convertible b. Secured c. Coupon d. Market interest rate e....

Does GAAP specify the minimum amount that a company must pay into its pension fund each year? If not, how is the amount determined?

From a tax - paying investor's point of view, a share repurchase Question 4 1 Answer a . is equivalent to a cash dividend b . is more highly taxed than a cash dividend c . is more desirable than a...

Select two Vulnerability Analysis tools used in research and/or commercially available and describe their main features and functionality. Compare and contrast their relative strengths and weaknesses...

7-7. Youre applying for a job as a website designer at a digital marketing agency. In a previous job at another agency, you excelled at website design but you were also asked to pitch the agencys...

7-4. What is the first step to take when writing instructions? [LO-3]

7-6. What are three principles to follow for writing condolence messages? [LO-4]