Warning: Illegal string offset 'html' in /home/hsn/public_html/forum/cache/skin_cache/cacheid_1/skin_topic.php on line 909

Warning: Cannot modify header information - headers already sent by (output started at /home/hsn/public_html/forum/cache/skin_cache/cacheid_1/skin_topic.php:909) in /home/hsn/public_html/forum/admin/sources/classes/output/formats/html/htmlOutput.php on line 114

Warning: Cannot modify header information - headers already sent by (output started at /home/hsn/public_html/forum/cache/skin_cache/cacheid_1/skin_topic.php:909) in /home/hsn/public_html/forum/admin/sources/classes/output/formats/html/htmlOutput.php on line 127

Warning: Cannot modify header information - headers already sent by (output started at /home/hsn/public_html/forum/cache/skin_cache/cacheid_1/skin_topic.php:909) in /home/hsn/public_html/forum/admin/sources/classes/output/formats/html/htmlOutput.php on line 136

Warning: Cannot modify header information - headers already sent by (output started at /home/hsn/public_html/forum/cache/skin_cache/cacheid_1/skin_topic.php:909) in /home/hsn/public_html/forum/admin/sources/classes/output/formats/html/htmlOutput.php on line 137

Warning: Cannot modify header information - headers already sent by (output started at /home/hsn/public_html/forum/cache/skin_cache/cacheid_1/skin_topic.php:909) in /home/hsn/public_html/forum/admin/sources/classes/output/formats/html/htmlOutput.php on line 141
2003 - Written Paper - Q10(c) - HSN forum

Jump to content


2003 - Written Paper - Q10(c)


1 reply to this topic

#1 sarmad

    Good Effort

  • Members
  • PipPipPip
  • 76 posts
  • Gender:Male

Posted 20 May 2006 - 08:53 PM

hi, could someone please explain to me how to to do this mole calculation.

#2 Michael

    Site Swot

  • Members
  • PipPipPipPip
  • 237 posts
  • Location:Glasgow
  • Gender:Male

Posted 20 May 2006 - 09:03 PM

It tells you the ratio is 1:3 so there must be 0.3g of I2 in the CHCL3 so:

10cm3 ------> 0.3g
100cm3-----> 3g
1000cm(1l) ----> 30 so the answer is 30gl^-1





1 user(s) are reading this topic

0 members, 1 guests, 0 anonymous users