Calculate the molarity (M) of a 46% (w/v) copper sulfate solution (m.w. = 160.0 g/mol)

Determine the fluoride ion concentration for a saturated solution of magnesium fluoride. K sp = 7.4 x 10-11

Calculate the pH of a buffer that contains 0.75 M acetic acid and 0.35 M acetate ion in 1 L solution. What will the pH of the buffer be upon the addition of 100.0 mL of 1.0 M NaOH? (Ka of acetic acid is 1.75 x 10-5 M)

Write solubility product constant expression and calculate numerical value (Ksp) of each ionic compound   5 g of AgCl  dissolved in 100.0 ml of water  concentration of Ag = 0.0000133038 concentration of Cl = 0.0000133038  show ICE TABLE

You have been provided with stock solutions of: stock A:     0.06 M sodium pyrophosphate buffer pH 8.5 stock B:     3 M ethanol stock C:     0.015 M NAD+ stock D:     milli Q water Determine the volume you will need of each solution to prepare a buffer of with a final volume of 60 mL containing 10 mM sodium pyrophosphate pH 8.5, 100 mM ethanol, 1 mM NAD+. i.e. volume of stock A = _________mL volume of stock B = _________mL volume of stock C = _________mL volume of stock D = _________mL Show your calculations to arrive at your answers.

Calculate the volume of TAE buffer that you will need to prepare a 100ml solution of 1X strength if you only have a 50X concentrated solution available.

Estimate the pH of a 7.18 x 106 M HF solution. You can calculate the lowest possible pH, knowing that the actual value will be higher. Your answer should contain 3 decimal places as this corresponds to 3 significant figures when dealing with logs. pH will be above Select the solution with the highest pH. Multiple Choice 0.0225 MLIOH 0.0225 MH2CO3 0.0225 MCH3NH2

What is the final volume of NaOH solution prepared from 100.0 mL of 0.500 M NaOH if you wanted the final concentration to be 0.150 M?

A 25.00 mL sample of 0.320 M LIOH is titrated with 0.750 M HNO3 at 25 °C. Calculate the initial pH before any titrant is added. pH = Calculate the pH of the solution after 5.00 mL of the titrant is added. pH =

Lisa and Jisoo wanted to prepare 150 mL of 0.650 M malonate buffer pH 5.00 by mixing NaC4H304 and Na2C3H204. Relevant Reaction: Ка, 3 1.4x10з Kaz = 2.0x10 6 C;H,O4 2 C,H;O4 1. What mass of solid NaC3H3O4 (MM = 138.054 g/mol) and solid Na2C3H2O4 (MM = 148.026 g/mol) will be needed to prepare the buffer? a. mass of solid NaC3H3O4 needed: b. mass of solid NazC3H2O4 needed: g