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You wish to extract $2500.00 of silver from ore that is 5.0% silver by mass. If silver is worth $15.75 per troy ounce, how many kg of ore are needed? answer in two significant figures(1 troy ounce = 31.103g)

Question

You wish to extract $2500.00 of silver from ore that is 5.0% silver by mass. If silver is worth $15.75 per troy ounce, how many kg of ore are needed? answer in two significant figures(1 troy ounce = 31.103g)

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Step 1

Given information:

Cost of silver = $15.75 per ounce troy

Yield of silver from ore = 5.0 %

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Step 2

But,

The yield of Silver in ore is only 5.0%

So, let’s calculate the mass of ore to be taken which has exactly ‘4.94’ Kg of pure silver.

Step 3
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General Chemistry

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