document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=998735>Question 998735</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me with this problem. I thought I had the right answer but it was wrong. First I came up with .316 and the 0. Show all work. Thanks\r<BR>\n" );
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document.write( " The pH  scale for acidity is defined by pH=&#8722;log 10 [H + ]  where [H + ]  is the concentration of hydrogen ions measured in moles per liter (M). \r<BR>\n" );
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document.write( " (A) The pH  of Milk of Magnesia is 10.5. Calculate the concentration of hydrogen ions in moles per liter (M). \r<BR>\n" );
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document.write( "[H + ]=____________M<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 #616484 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=616484\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The pH scale for acidity is defined by pH=&#8722;log 10 [H + ] where [H + ] is the concentration of hydrogen ions measured in moles per liter (M).<BR>\n" );
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document.write( "(A) The pH of Milk of Magnesia is 10.5. \r<BR>\n" );
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document.write( "Calculate the concentration of hydrogen ions in moles per liter (M).<BR>\n" );
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document.write( "10.5 = -log10[H+]<BR>\n" );
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document.write( "log10[H+] = - 10.5<BR>\n" );
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document.write( "[H +] = 10^(-10.5) = 3.162..x10^-11<BR>\n" );
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document.write( "= 0.0000000003162_M<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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