2006-11-01 06:38:06 · 6 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry
Suspect this is what you mean...
Suppose you have 0.500 g of a substance you believe is pure...
you analyse it and determine that it contains 0.300 g of the substance you are looking for..
so your sample is (0.300/0.500) x 100% pure = 60%
2006-11-01 06:47:11 · answer #1 · answered by drjaycat 5 · 5⤊ 0⤋
Percentage Purity
2016-10-07 00:14:03 · answer #2 · answered by ? 4 · 0⤊ 0⤋
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RE:
how do you calculate percentage purity?
2015-08-16 18:12:38 · answer #3 · answered by Anonymous · 0⤊ 0⤋
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With 80% purity times 10Kg you get 8 Kg of pure iron oxide. The formula weight of Fe203 is 160. The 2 Fe ions in the formula make up 112 out of the 160 formula weight. or .70 parts pure iron. So percentage pure iron is 70%
2016-04-07 03:03:41 · answer #4 · answered by ? 4 · 0⤊ 0⤋
mass of pure substance/original mass of substance x 100%
e.g
if 10g of impure NaCl contain 2g of sand, the purity is impure (original) substance minus impurity i.e10g - 2g=8g, percentage purity thus :- 8g/10g x 100% =80%
2006-11-01 09:39:34 · answer #5 · answered by obiora c 2 · 3⤊ 0⤋
can you be more specific? purity for what ? and you need pure reference compound to compare and calculate this percentage
2006-11-01 06:43:05 · answer #6 · answered by source_of_love_69 3 · 0⤊ 4⤋
100 - %age impurities.
2006-11-01 06:40:37 · answer #7 · answered by JJ 7 · 0⤊ 4⤋