A: Mixture Data Sheet (use space provided to show your calculations):
Part of mixture
What is being measured
Mass in g
Whole mixture
Fe
Mass of sample poured out of 50.949
sample container
Mass if Fe filings separated from
mixture
10.139
Salt
Sand
Mass of dry salt - show
calculation below of how you
determined this value
Mass of dry sand - show
calculation below of how you
determined this value
119.849
38.799
Show calculations for salt and sand with correct significant figures:
Percentage error = (measured - expected) x 100
expected
(119.84 - 30) 100
119.84
こ
The original sample contents: (expected values - treat these as exact
numbers):
Sample Number 1
23
4
Iron
40% 20% 40% 20%
Salt
30% 30% 30% 30%
Sand
30% 50% 30% 50%