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Topic: Mass percentage  (Read 892 times)

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Offline Asaph

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Mass percentage
« on: November 08, 2018, 12:42:24 AM »
A salt whose formula is Na2SxOy,is 47.5% by mass .
Find x.

I tried to set it at 100g eith 47.5g sulfur and thus
Putting the rest at combined 52.2g ,
Then im stucked, two unknowns here,

A little help
« Last Edit: November 08, 2018, 02:11:25 AM by Asaph »

Offline Borek

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Re: Mass percentage
« Reply #1 on: November 08, 2018, 02:56:56 AM »
Try trial and error (assume some small values of x, y and calculate S mass percentage for each).

Your approach is not bad, but won't get you past the fact it is impossible to easily translate fact that x and y are integers into an equation.
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