document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=371938>Question 371938</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The pH of a water sample is one of the many measurements of water quality done by the U.S. Geological Survey. the hydrogen ion concentration of the water in the Red River above Shreveport, Louisiana, was 9.77x10^-9 mole per liter on October 25, 1989. What was the pH of the water at that time? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #265130 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=265130\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> pH is the logarithm of the concentration of the hydrogen ion , multiplied by -1\r<BR>\n" );
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document.write( "pH = -{[log(9.77)] - 9} </SPAN>\n" );
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