document.write( "Question 1172961: A chemist makes a mixture of concentrated hydrochloric acid and distilled water so that the ratio of acid to water is 4 to 3. If he starts with 20 liters of acid, how much water is mixed with the acid? \n" ); document.write( "
Algebra.Com's Answer #798092 by josgarithmetic(39617)\"\" \"About 
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He MUST add the acid TO the water, for safety.\r
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\n" ); document.write( "\n" ); document.write( "Strictly in volumes, 4+3 parts is 7 parts of volume. This is 4 parts of the concentrated HCl to 7 part of finished mixture. Or, 3 parts of water to 7 parts of finished mixture.\r
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\n" ); document.write( "\n" ); document.write( "Or, just as the given ratio, 4 parts conc. acid to 3 parts water.\r
\n" ); document.write( "\n" ); document.write( "\"3%2F4=Q%2F20\"\r
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\n" ); document.write( "\n" ); document.write( "\"Q=3%2A5\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight%28Q=15%29\"------------liters of water
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