What is the pH of a 1.7 × 10⁻⁴ M HClO₄ solution?

H2so4(aq) + mg(s)—> mgso4(aq) +h2(g) which substance is the acid in the reaction?

Select the correct answer. what is the wavelength of radio waves? a. between 1 x 10-3 and 1 x 10-1 meters b. less than 1 x 10-11 meters c. more than 1 x 10-1 meters d. between 1 x 10-8 - 4 x 10-7 meters e. between 4 x 10-7 - 7 x 10-7 meters

What does the law of increasing costs say? a. as you make more and more of one good or service, you will also make more and more of another. b. as you make less and less of one good or service, you will also make less and less another. c. as you make more and more of one good or service, you will make less and less of another. d. there is no change in production levels when you shift from one good or service to another