From the periodic table:
molecular mass of carbon = 12 grams
molecular mass of fluorine = 18.99 grams
molecular mass of chlorine = 35.5 grams
Therefore:
one mole of CF2Cl2 = 12 + 2(18.99) + 2(35.5) = 120.98 grams
Therefore, we can use cross multiplication to find the number of moles in 79.34 grams as follows:
mass = (79.34 x 1) / 120.98 = 0.6558 moles
Now, one mole contains 6.022 x 10^23 molecules, therefore:
number of molecules in 0.65548 moles = 0.6558 x 6.022 x 10^23
= 3.949 x 10^23 molecules
SiAl/continental crust and SiMa occianic crust
<span>Acetochlor demonstrates characteristics associated with chemicals that have been detected in groundwater. To protect groundwater from contamination, acetochlor product labels restrict the use of acetochlor on porous soils over shallow groundwater:</span>
Answer: The first step is testing their theory!
Explanation: Scientists will have to set up an experiment to scientifically prove their statement/hypothesis:)
