How many atoms of oxygen are in one formula unit of al2(so4)3

What is the correct lewis structure for chloroform chcl3

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?

If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5