document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1115869>Question 1115869</A>: <I><SPAN STYLE=\"word-break: break-all;\">  In chemistry, the pH of a substance is defined by pH = -log [H+], where [H+] is the hydrogen ion concentration in moles per liter. Find the pH of a sample of lake water whose hydrogen ion concentration, [H+], is 3.05 x 10-9 moles per liter. (Round to the nearest tenth.)<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #730739 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=730739\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use a log table or calculator as necessary for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-log%2810%2C%283.05%2A10%5E%28-9%29%29%29 ALIGN=MIDDLE  ALT=\"-log%2810%2C%283.05%2A10%5E%28-9%29%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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