Calculate the ph of a 0.10 m solution of hypochlorous acid, hocl. ka of hocl is 3.5*10-8 at 25 ∘c. express your answer numerically using two decimal places.

The first method of determining the chemical composition of substances in space was to

A bottle contains 6.23 g of copper turnings. The mass of a length of magnesium ribbon is 6.23 g. Are there more copper atoms or more magnesium atoms present?

What is similar about igneous rock and metamorphic rock formation?

Suppose you were preparing 1.0 L of a bleaching solution in a volumetric flask, and it calls for 0.21 mol of NaOCl. If all you had available was a jug of bleach that contained 0.

What are the rules that determine the type of ion an elements atom will form

What is the temperature (in K) of 16.45 moles of methane gas in a 4.95 L container at 4.68 atm?

What do we call the process by which cells obtain the energy that they need?

Which of the following statements describes how the periodic table is organized? 1. The elements are organized alphabetically. 2. The elements are organized by their size. 3. The elements are organized by the date they were discovered. 4.

Which of the following is a mixture A aluminum B BaSO3 C Milk D table salt

Which of the following quantum number combinations is not allowed in an atom? A. n = 2, l = 1, mr = - 1 B. n = 1, l = 1, m = 0 C. n = 8, l = 5, m = - 4 D. n = 6, l = 3, m = 2