simplydimps22owbohb
21.01.2021 •
Chemistry
What is the pH of a 75.0 mL solution that is 0.045 M in weak base and 0.053 M in the conjugate weak acid
Solved
Show answers
More tips
- A Auto and Moto How to Start a Diesel Engine in Cold Weather?...
- F Family and Home How to Remove Tar Stains: Tips and Recommendations from Experts...
- F Family and Home How to Remove Fading from Clothes: Tips and Tricks...
- S Sport How to Do a Jumping Split...
- H Health and Medicine How Did Inna Lose Weight on Dom 2?...
- F Family and Home How to Properly Fold Napkins in a Napkin Holder?...
- F Food and Cooking How to Set Up Ventrilo - The Ultimate Guide...
- S Science and Technology How to Make a Homemade Smoker: The Ultimate Guide...
- A Auto and Moto Battle for the Relocation of The Cherkizovsky Market: Who Won?...
- C Computers and Internet How Do You Refill Cartridges?...
Answers on questions: Chemistry
- C Chemistry Which experiment would you perform to determine if the total momentum is conserved in a collision? Collide two objects of known masses, and measure the velocity of one object before...
- C Chemistry Suppose that you take a sample of 500 g of ocean water and let the water evaporate. The mass of the remaining salts is 17 g. What was the salinity of the ocean water...
- C Chemistry A recipe from a European cookbook says to bake the item at 175°C. What temperature in °F should you set the oven?...
- C Chemistry 1) Circle any of the following that are most likely a pure substances? A) T-shirt B) sand C) air D) cherry tree E) tap water F) None of these 2) Which one of the following is often...
- C Chemistry The density of lithium is 5.34 * 10^2 Kg/m^3. Convert to g/m^3...
- C Chemistry You have an old-style reel lawn mower at home. No engine! You need to cut the grass but also finish in time to watch your favorite TV show. How would you apply Newton’s second law...
- C Chemistry Which is warmer 10c or 30f...
- C Chemistry Which statement describes the Chesapeake Bay? One of Virginia’s major rivers flows into the Chesapeake Bay. The portion of the bay located in Virginia is on its east coast. Chesapeake...
- C Chemistry 5 개의 kpop 노래 쓰기너희들은 나를 도울 수 있습니까? ...
- A Arts What yall been up to these days...
Ответ:
7.07
Explanation:
HA = weak acid = 0.053
A+ = conjugate base = 0.045
Ka = 7.2x10^-8
Ka = [H+][A-]/HA
7 2x10^-8 = [H+][0.045]/0.053
[H+] = 7.2x10^-8 x 0.053/0.045
= 8.48x10^-8
PH = -log[H+]
= -log[8.48x10^-8]
PH = -[login.48 + log10^-8]
PH = -0.928 - (-8)log10
= 7.07
Ответ:
u will equate and make V2 the subject because it's the one u are looking for ....