Answer the following question about this problem: How many moles are in 9.0 x 1023 molecules of SO3? How many significant figures should the answer have?

What are the correct units for the answer?

What is the answer to the question (with the correct number of significant figures and units)?

Which piece of equipment would me most useful for measuring the volume of some water? a. pan balance b. graduated cylinder c. tweezers d. flask quick

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

Determine the reaction and balance the following equations urgent due in the morning