Which of the following formulas is used to determine the pH of a solution?

OpH = [OH-]

OpH = -log[H+]

OpH= log[H+]

OpH = log[OH-]

During trial 2, what allowed you to determine that aluminum was the limiting reactant? check all that apply. all of the copper dissolved. all of the aluminum dissolved. the solution turned clear. the number of grams of copper(ii) chloride used in the reaction was greater than the number of grams of aluminum. the molar ratio of copper(ii) chloride to aluminum was greater than 3: 2, the equation’s molar ratio.

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

If e is the symbol for an element, which two of the following symbols represent isotopes of the same element? 1. e2. e3. ea.1 and 2c.1 and 4b.3 and 4d.2 and 3