Find the percentage by mass and mass fraction of aspirin in the solution prepared by dissolving 3.65
g of aspirin in 25.08 g of water.
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Given:
weight of aspirin dissolved = 3.65g
weight of water used = 25.08g
To Find:
mass% =?
mass fraction =?
Solution:
we know that,
the mass% can be calculated as
mass% =
mass% =
mass% = 14.55%
Now, for mass fraction, we know that,
mass fraction =
mass fraction =
mass fraction = 0.127
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