State the ph would decrease slightly

Reference no: EM13163169

Consider 50 mL of a solution that is 0.25 M in both H2PO4- and HPO42-. (a) What is the pH of this solution? (Enter your answer to two decimal places.) 7.2 (b) What would be the effect of adding 5 mL of 1.0 M HCl? The pH would decrease slightly. The pH would decrease dramatically. The pH would increase slightly. The pH would increase dramatically. The pH would not change at all. (c) What would be the effect of adding 2 mL of saturated NaOH (50 mass %, density 1.5 g/mL)? The pH would decrease slightly. The pH would decrease dramatically. The pH would increase slightly. The pH would increase dramatically. The pH would not change at all.

Reference no: EM13163169

Questions Cloud

What is the concentration of an hcl solution : What is the concentration of an HCl solution if for 50.0 mL of HCl it took 55.1 mL of 0.0875 M NaOH to completely neutralize it.

Prepare a sales and production budget : Prepare a sales and production budget for January, February, and March, and prepare a cash receipts schedule for sales and a cash payments schedule for material purchased.

Explain which hydrogens are the most acidic : Write a balanced reaction for the acid-base reaction of diethylbenzyl phosphonate with sodium hydroxide. Which hydrogens are the most acidic?

How much heat is lost by the warm water : the mass of water is 92.6 grams, the initial temperature of the water is 58.9 degrees celsius, the mass of teh liquid nitrogen added to the water is 57.1 grams, and the final temperature after the liquid nitrogen has vaporized is 29.6 degrees cels..

State the ph would decrease slightly : The pH would decrease slightly. The pH would decrease dramatically. The pH would increase slightly. The pH would increase dramatically. The pH would not change at all.

Calculate the mass or volume of the products formed : Stoichiometry limiting reagent: find the reagent in excess. then calculate the mass or volume of the products formed.

Explain rhombic sulfur turns into monoclinic sulfur : Rhombic sulfur turns into monoclinic sulfur, Calculate the transition temperature for this change at a pressure of 1 bar.

Calculate the average atomic mass of silver : Silver consists of two major isotopes with the following percent abundances and atomic masses: 107Ag (51.84% and 106.90509 amu) and 109Ag (48.16% and 108.90476 amu). Calculate the average atomic mass of silver to five significant digits.

What is the molar mass of this solute : A 0.521-g sample of a compound is dissolved in enough water to form 100.0 mL of solution. This solution has an osmotic pressure of 2.45 atm at 25°C. If each molecule of the solute dissociates into two particles (in this solvent), what is the molar..

User Account

All Pages