What is the concentration of hydroxide ions in a solution with a pH of 5.24?

5.75 * 10-6

1.74 * 10-9

1.55 * 10-7

4.54 * 10-4

How many grams of H3PO4 are produced when 10.0 moles of water react with an excess of P4O10? P4O10 (s) + 6H2O (l) → 4H3PO4 (aq)

an NaOH solution contains 1.90 mol of NaOH, and its concentration is 0.555 M. What is the volume of the solution?

What's the difference between volcano and vent

Which term is the name for when both organisms benefit from a relationship?

Describe the range of the radii of most atoms

The Hope diamond has a mass of 44.0 carats and a density of 3.51 g/cm3. What is the volume of the Hope diamond? (Hint: 1 carat = 0.200 g) A. 2.5 g/cm3 B. 2.5 g C. 2.5 cm3 D. 2.5 carats

Which pair of elements form an ionic bond with each other? 1) KCI 2) ICI 3) PCI 4) HCI

What is the chemical ratio of h2o

How many significant figures are in the following? a) 0.1111 b) 2000 c) 35.6 d) 180,701

What is the change of the oxidation number arsenic in the following reaction