Look at this coconut tree. Let's estimate that it is about 15 feet high and weighs approximately 1500 lbs. The main substance this tree is composed of is cellulose (C6H12O6). , which is constructed through photosynthesis.

6 CO2 + 6 H2O --> C6H12O6 + 6 O2

0.04% of air is made of CO2 .

How many gallons of air at STP was necessary to build this tree from the ground up?

1. 1 mole of anything contains 6.022x10^23 pieces  

d  

2. a  

3. c, number  

5. 1.24x10^24atoms / 6.022x10^23atoms/mole = 2moles h2 atoms  

6. fe2br3 mass = 2moles x mass fe + 3 moles x mass br  

molar mass = grams / number of moles = g/mole  

to find moles = g / molar mass  

to find mass = g = molar mass / moles

passing a magnet thought the

mixture , because iron gets attracted to magnet .