document.write( "Question 939122: How much water would you mix in a 1 gallon ,30% hydrochloric acid to have a 15% mixture of acid? \n" ); document.write( "
Algebra.Com's Answer #572180 by ewatrrr(24785)\"\" \"About 
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water = water
\n" ); document.write( "x amount of water to add
\n" ); document.write( "x + .70 (1G) = .85(1G + x)
\n" ); document.write( "x = .15(1G)/.15 = 1G
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