document.write( "Question 1031892: In a chemistry class, 8 liters of a 4% silver iodide solution must be mixed with a 10 % solution to get a 6% solution. How many liters of the 10% solution are needed?\r
\n" ); document.write( "\n" ); document.write( "A) 5.0 L
\n" ); document.write( "B) 4.0 L
\n" ); document.write( "C) 8.0 L
\n" ); document.write( "D) 3.0 L\r
\n" ); document.write( "\n" ); document.write( "Could you please tell me step by step how to get the answer.
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Algebra.Com's Answer #646572 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
In a chemistry class, 8 liters of a 4% silver iodide solution must be mixed with a 10 % solution to get a 6% solution. How many liters of the 10% solution are needed?
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\n" ); document.write( "Quantity Eq:: 8 + t = s
\n" ); document.write( "Iodide Eq:: 0.32 + 0.10t = 0.06s
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\n" ); document.write( "Substitute for \"s\" and solve for \"t\"::
\n" ); document.write( "0.32 + 0.10t = 0.06(8 + t)
\n" ); document.write( "32 + 10t = 48 + 6t
\n" ); document.write( "4t = 16
\n" ); document.write( "t = 4 liters (amt. of 10% solution needed)
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\n" ); document.write( "Ans: B
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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\n" ); document.write( "A) 5.0 L
\n" ); document.write( "B) 4.0 L
\n" ); document.write( "C) 8.0 L
\n" ); document.write( "D) 3.0 L
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