Homework #10

9. 44g of water

10. 0.015 ppm

11. A water molecule is polar because it has a negative charge at the oxygen end and a positive charge at the hydrogen end. Having opposite charges cause them to attract, causing them to be titled polar molecules.

12. Molecules in water sometimes attract or repel based on which side meets up. If two of the same ends meet up with would repel, if two opposite ends met up they would attract. ( Opposites attract )

13.
      a. Oxygen would attach with pottasium
      b. Hydrogen would attach with bromine

14. Heavy metals have their name because the atomic mass is heavier than the regular metal elements.

15. It would damage your liver, nervous system, and the brain

16.
      a. Lead can be in water pipes and paint
      b. Mercury can be found in flourescent lights and thermometers
17. Bases have +1 ions because every solution starts with a hydrogen

18. Hydrogen

19.
      a. Basic
      b. Basic
      c. Acid
      d. Neutral