How many moles of hydrofluoric acid, HF, must be added to 250 mL of 0.25 M sodium
Question:
How many moles of hydrofluoric acid, HF, must be added to 250 mL of 0.25 M sodium fluoride to give a buffer of pH 3.50? Ignore the volume change due to the addition of hydrofluoric acid.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 33% (9 reviews)
Use the HendersonHasselbalch equation to find the logF HF Then ...View the full answer
Answered By
Milan Mondal
I am milan mondal have done my Msc in physics (special astrophysics and relativity) from the University of burdwan and Bed in physical science from the same University.
From 2018 I am working as pgt physics teacher in kendriya vidyalaya no2 kharagpur ,west bengal. And also I am doing advanced physics expert in chegg.com .also I teach Bsc physics .
I love to teach physics and acience.
If you give me a chance I will give my best to you.
5.00+
4+ Reviews
10+ Question Solved
Related Book For
Question Posted:
Students also viewed these Sciences questions
-
How many moles of hydrofluoric acid, HF, must be added to 500.0 mL of 0.25 M sodium fluoride to give a buffer of pH 3.50? Ignore the volume change due to the addition of hydrofluoric acid.
-
1. What mass of H2 should be produced by the reaction of Al with 75.0 mL of 2.95M HCl? 2Al(s) + 6HCl(aq) 2AlCl3(aq) + 3H2 (g). ln the lab, 0.15g H2 was collected. What is the % yield of the...
-
How many moles of sodium acetate must be added to 2.0 L of 0.10 M acetic acid to give a solution that has a pH equal to 5.00? Ignore the volume change due to the addition of sodium acetate.
-
What is the difference between a Type I error and a Type II error?
-
Are short people short-changed when it comes to salary? According to Business Professors T. A. Judge (University of Florida) and D. M. Cable (University of North Carolina), tall people tend to earn...
-
What makes virtual teams so effective despite the potential complexities?
-
Hourly Wages A labor organization estimates that the median hourly wage of computer systems analysts is $37.06. In a random sample of 45 computer systems analysts, 18 are paid less than $37.06 per...
-
A firm based in Washington State wants to export a shipload of finished lumber to the Philippines. The would-be importer cannot get sufficient credit from domestic sources to pay for the shipment but...
-
Todco plane producir 3.000 unidades de su nico producto, Teragram, durante noviembre. Las especificaciones estndar para una unidad de Teragram incluyen seis libras de material a $0.30 por libra. La...
-
Richard chooses technique 0 and 2 requiring 10+10-20 efforts and provising 10+11=21 benefits. Hence, 21 is returned as the output Example 2: input1: 3 input2: (10,10,10,10) input3: (10,11,12,15)...
-
How many moles of sodium acetate must be added to 2.0 L of 0.10 M acetic acid to give a solution that has a pH equal to 4.90? Ignore the volume change due to the addition of sodium acetate.
-
What is the pH of a solution in which 35 mL of 0.10 M NaOH is added to 25 mL of 0.10 M HCl?
-
Fourteen jobs must be assigned to one of three identical machines. The goal is to minimize the total time needed to complete all 14 jobs. The machine capacities and times needed for the jobs are...
-
Indicate whether each of the following types of transactions will either (a) increase stockholders' equity or (b) decrease stockholders' equity: 1. expenses 2. revenues 3. stockholders' investments...
-
The following selected transactions were completed by Lindbergh Delivery Service during October: 1. Received cash from issuing capital stock, \($75,000\). 2. Paid rent for October, \($4,200\). 3....
-
Murray Kiser operates his own catering service. Summary financial data for February are presented in equation form as follows. Each line designated by a number indicates the effect of a transaction...
-
A. Given that y = e 2x + 1 complete the table of values of y corresponding to x = 0.5, 1 and 1.5. B. Use the trapezium rule, with all the values of y in the completed table, to obtain an estimate for...
-
Draw a schematic using NFETs and PFETs for a restoring logic gate that implements the function = 0 if zero or two of inputs cba are true. Assume that all inputs and their complements are available.
-
Solve this system of two equations with two unknowns using appropriate software: x 3 y 2 = 5.9 3xy + y = 3.5
-
You have accepted the engagement of auditing the financial statements of the C. Reis Company, a small manufacturing firm that has been your auditee for several years. Because you were busy writing...
-
Cyclopropane, C3H6, is converted to its isomer propylene, CH2PCHCH3, when heated. The rate law is first order in cyclopropane, and the rate constant is 6.0 104/s at 500oC. If the initial...
-
A reaction of the form aA Products is second-order with a rate constant of 0.225 L/(mols). If the initial concentration of A is 0.293 mol/L, what is the molar concentration of A after 35.4 s?
-
The reaction 3I(aq) + H3AsO4(aq) + 2H+(aq) I3(aq) + H3AsO3(aq) + H2O(l) is found to be first order with respect to each of the reactants. Write the rate law. What is the overall order?
-
Minden Company introduced a new product last year for which it is trying to find an optimal selling price. Marketing studies suggest that the company can increase sales by 5,000 units for each $2...
-
Prepare the adjusting journal entries and Post the adjusting journal entries to the T-accounts and adjust the trial balance. Dresser paid the interest due on the Bonds Payable on January 1. Dresser...
-
Venneman Company produces a product that requires 7 standard pounds per unit. The standard price is $11.50 per pound. If 3,900 units required 28,400 pounds, which were purchased at $10.92 per pound,...
Study smarter with the SolutionInn App