document.write( "Question 641653: A 1% solution of hydrochloric acid is required for a procedure. A 5% solution is available. How much of the 5% will be required to make 500 mL of a 1% solution?
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A 1% solution of hydrochloric acid is required for a procedure. A 5% solution is available. How much of the 5% will be required to make 500 mL of a 1% solution?
\n" ); document.write( "let x=amt of 5% required to make 500 mL of 1% solution
\n" ); document.write( "5%x=1%*500
\n" ); document.write( ".05x=5
\n" ); document.write( "x=5/.05
\n" ); document.write( "x=100
\n" ); document.write( "amt of 5% required to make 500 mL of 1% solution=100 mL
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