Posted by **rosa** on Wednesday, March 23, 2011 at 8:50pm.

how to find mass percentage

- chemistry -
**Jai**, Wednesday, March 23, 2011 at 9:46pm
to find the mass percentage of one component, you divide the its mass to the total mass * 100

for example, if you have initially 20 grams of Na and 30 grams of Fe,

total mass = 20 + 30 = 50

if we want to find mass percentage of Na:

(20/50) * 100 = 40%

for mass percent of Fe:

(30/50) * 100 = 60%

hope this helps~ :)

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