How many grams of caffeine should we prepare in a 10 mL standard of 3 mm a) 0.05 grams
b) 2.57 grams
c) 0.00583 grams
d) 5 grams

PLEASE HELP!

Which characteristic of water it form droplets? a. low specific heat b. nonpolar structure c. high surface tension d. ability to dissolve substances

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?