document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=919523>Question 919523</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A chemist is using \r<BR>\n" );
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document.write( "342<BR>\n" );
document.write( " milliliters of a solution of acid and water. If \r<BR>\n" );
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document.write( "16.1\r<BR>\n" );
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document.write( " of the solution is acid, how many milliliters of acid are there? Round your answer to the nearest tenth </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #557822 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=557822\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A chemist (like me), gets really annoyed by problems like this.<BR>\n" );
document.write( "We need to assume that the acid in question is a liquid (not a solid or a gas),<BR>\n" );
document.write( "and we need to assume that the 16.1% is specified as 16.1% (v/v) ,<BR>\n" );
document.write( "where \"v/v\" means volume in volume,<BR>\n" );
document.write( "meaning 16.2 milliliters of that acid are contained in 100 milliliters of the solution of acid and water.<BR>\n" );
document.write( "With those assumptions, the ratio of acid volume to solution volume is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2F342=16.1%2F100 ALIGN=MIDDLE  ALT=\"x%2F342=16.1%2F100\"   DISABLED_style= \"max-width:90%; height:auto;\" > , where <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" >= number of milliliters of acid in the 342<BR>\n" );
document.write( "milliliters of solution.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2F342=16.1%2F100 ALIGN=MIDDLE  ALT=\"x%2F342=16.1%2F100\"   DISABLED_style= \"max-width:90%; height:auto;\" >---><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=342%2A16.1%2F100 ALIGN=MIDDLE  ALT=\"x=342%2A16.1%2F100\"   DISABLED_style= \"max-width:90%; height:auto;\" >---><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=55%29 ALIGN=MIDDLE  ALT=\"highlight%28x=55%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > (rounded).<BR>\n" );
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document.write( "NOTE:<BR>\n" );
document.write( "When I grab a bottle of hydrochloric acid, the label may state that the concentration (assay) is 36.0%, and that means that there are 26.0 grams of the gas hydrogen chloride (HCl) per 100 grams of the solution in the bottle.<BR>\n" );
document.write( "When I dilute 1 milliliter (1 mL) of trifluoroacetic acid (TFA) to 1000 mL with water, I label that solution as 0.1% aq. TFA (v/v). </SPAN>\n" );
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