For numbers 11-15, use the letters in the figure to answer the question. Les:
D

B

C

G
11. It facilitates the changing of objectives.

12. It supports the body tube.

13. Which connects the
eyepiece to the revolving nosepiece.

14. This raises and lowers the body tube and with the objectives.

15. It reflects light up to the diaphragm, object to be observed and lenses

When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —

Gusing the milligrams of ascorbic acid you entered above, the ratio of total sample volume to aliquot volume, and the total milligrams of the vitamin c tablet that you dissolved, calculate the mass of ascorbic acid in the vitamin c tablet for each trial. do this by scaling up to find the amount (mg) of ascorbic acid in your 250 ml flask. enter your calculated mass of ascorbic acid in the vitamin c tablet, for each trial. be sure to enter your calculated mass in the corresponding order that you entered your milligrams of ascorbic acid. the milligrams of ascorbic acid you entered for entry #1 previously should correspond to the mass of ascorbic acid that you enter for entry #1 here.

How much carbon is stored in the atmosphere as co2