If a piece of pure gold jewelers weighs 11.81 grams, how many atoms is it made of?

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

Which substance has non polar covalent bonds

How does a large body of water, such as the ocean, influence climate?