(a minus the mass of the beaker from
Experiment 2) (g)
2. Determine the amount of sodium chloride (NaCl) in the original mixture indirectly
by adding the masses of ammonium chloride (experiment 1 e) and sand (experiment
2 c) together and subtracting the sum from the initial sample mass of 10 g.
2.62

3. Calculate the percent difference between the results from the two methods (directly
and indirectly) from the following equation. You must show all work to receive full
credit.

4. Based on your experimental results, which is the preferred method of separation?

5. What is the mass percent of each component in your mixture? To determine the
mass percent, divide the mass of the component by the mass of the total 10.000g
sample and multiply that result by 100. Make sure to show all work to receive full
credit.

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