After performing the lab, a student determines that the hydroxide concentration in their assigned metal hydroxide is 2x10-3. Calculate the pH of this solution. Report your answer to two places after the decimal.

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.