Name wendy

Lab$--$How many in a mole?

All of your calculations must show your work and units. You may do the work on this paper. This can be your report if done neatly enough.

Part A A mouthful of water

Fill the cup with water. Wipe off the outside and determine the mass of the cup $+$ water. Drink one mouthful of water. Wipe off the outside of the cup again. Remass the cup and remaining water. Pour out the water and discard the cup.

Data: mass of cup $+$ water originally

mass of cup $+$ water after drinking

Calculations: what was the mass of water swallowed?

How many moles of water were swallowed?

How many molecules of water were swallowed?

Part B Aspinn Tablet

Find the mass of an aspirin tablet and then put it back into the container. The chemical name of aspirin is acetylsalicylic acid and the formula is $C_9{H}_8{O}_4.($Assume there are no additives.$)$

Data: mass of the aspirin tablet

Calculations: How many moles of aspirin are in $1$ tablet?

How many molecules of aspirin are in one tablet?