document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1150357>Question 1150357</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In chemistry, the pH of a solution is a measure of the acidity or alkalinity of a solution.  Water has a pH of 7 and, in general, acids have a pH less than 7 and alkaline solutions have a pH greater than 7.  Find the pH of a solution with a hydronium ion concentration of 8.7×10^−5 moles/liter.  Round your answer to two decimal places, if necessary.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #771775 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</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=771775\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You simply want to find negative logarithm of the hydronium ion (in moles per liter).   You could use a handheld calculator for that.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pH=-log%28%288.7%2A10%5E%28-5%29%29%29 ALIGN=MIDDLE  ALT=\"pH=-log%28%288.7%2A10%5E%28-5%29%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and then round to one or two decimal places; not further, since only two significant figures were given.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-%28log%28%288.7%29%29%2Blog%28%2810%5E%28-5%29%29%29%29 ALIGN=MIDDLE  ALT=\"-%28log%28%288.7%29%29%2Blog%28%2810%5E%28-5%29%29%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-log%28%288.7%29%29%2B5%2Alog%28%2810%29%29 ALIGN=MIDDLE  ALT=\"-log%28%288.7%29%29%2B5%2Alog%28%2810%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-0.93952%2B5%2A1 ALIGN=MIDDLE  ALT=\"-0.93952%2B5%2A1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5-0.93952 ALIGN=MIDDLE  ALT=\"5-0.93952\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pH=4.1 ALIGN=MIDDLE  ALT=\"pH=4.1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=or ALIGN=MIDDLE  ALT=\"or\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=maybe ALIGN=MIDDLE  ALT=\"maybe\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4.06 ALIGN=MIDDLE  ALT=\"4.06\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );