Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures. the molar mass of al2o3 is grams.

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.

List the path of the respiratory system