What is the concentration?
2.5 mM x 1.2 mL
2560 mL of a gas is collected at 2.5 mm Hg. What will the volume be at standard pressure? Standard pressure is 760 mm Hg.
What is the final concentration of Fe 3+ in a solution if you add 2.5 mL of 3.0M Fe(NO3)3 and 3.2 mL of water in a test tube?
4. Calculate the pH of a solution with 2.5 x 103 mol CsHsN and 1.2 x 10-mol HCl in 100 mL. The Kb for pyridine is 1.7 x 109.
QUESTION 1 A food dye solution has a dye concentration of 2.5 x 10- M. If 3.0 mL of this dye solution is diluted to 15.0 mL, what is the concentration of the diluted solution? O 1.7 x 10-6 M 07.5 x 10-6 M O 7.5 x 10-5 M 2.5 x 10-5M 5.0 x 10-6 M
What volume (mL) of crystal violet stock solution 2.5 x 10-5M is required to prepare a concentration of 0.00000125 M to a total of 10 mL diluted solution?
30. Simplify. 1.2 x 104.8 x 104 A. 2.5 x 102B.2.5 x 10-9 C.2.5 x 10 °D. 2.5 10-11 page4 Spiral Review #3 Due 3/16/2020
The current in a 2.0 mm x 2.0 mm square aluminum wire is 2.5 A. What are (a) the current density and (b) the electron drift speed?
What is the answer with units for this problem? 2.5mM x 1.2 mL =
A 50.00 mL portion of a cresol red solution with a concentration of 40.00 mM (millimolar) is diluted to 100.0 mL. A 25.00 mL portion of this new solution is then diluted to 250.0 mL to give a third solution. What is the concentration cresol red in the third solution?
7. Convert a concentration of 1.7 mM acetaminophen solution to the corresponding concentration in mg/mL