14. a solution with a ph of 13 is a
weak acid
strong acid
weak base
strong base

What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth