Determining the ph of a solution
Question: What is the pH of a solution containing 0.010 HCl plus 0.040 KClO4 with an activity coefficient of [H+] = 0.86?
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What is the pH of a solution created by dissolving 15.0 g of monosodium phosphate NaH2PO4 and 12.0 g of disodium hydrogen phosphate Na2HPO4. The Ka is 6.2*10^-8. How much .2 M NAOH is needed to raise the pH of the solution by .04 units
The element gallium has 2 isotopes with the masses and natural abundances shown in the table. Mass of Isotope Natural abundance 68.9257 60 70.9249 40 What is the average atomic mass of gallium
The normal boiling point of benzene is 80.1 C (Celsius) and the heat of vaporization is Hvap = 30.7 kJ/mole. What is the boiling point of benzene in C on top of Mt. Everest, where P (pressure) = 260 mmHg?
You need to produce a buffer solution that has a pH of 5.23. You already have a solution that contains 10 mmol (millimoles) of acetic acid. How many millimoles of acetate (the conjugate base of acetic acid) will you need to add to this solution? T
The gasoline combines with 340.0 kg of oxygen. What is the total combined mass of the carbon dioxide and water produced by combustion in the engine?
While the level in the open end (connected to the manifold) was measured as 25.2 cm above the U-neck. What is the pressure, in torr, in the gas collection manifold?
The manager's special advertise the same tires selling at a rate of $380 for 4 tires. How much do you save per tire if you purchase the manager's special.
Sodium chloride has a solubility of 35.7g/100mL water. If you have 350mL of water and you add 115g of sodium chloride to it and mix well.
What is the final temperature when 20.0 g of water (specific heat capacity 4.184 J•g-1•K-1) at 80.0 C is mixed with 30.0 g of water at 20.0 ?C in an insulated container
Consider a 20.0% (m/v) solution. How can this be written as a conversion factor. * 20.0 g of solute/ 100 mL of solution * 20.0 g of solute/ 80 g of solution * 20.0 g of solute/ 100 g of solution * 20.0 g of solute/ 80 mL of solution
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