http://forum.lowyat.net/ Sun, 01 Nov 2026 17:59:39 +0800 FeedCreator 1.7.2 http://forum.lowyat.net/topic/744768 The vapour pressure of benzene is 9.90x10^3 Pa at 300K.<br /><br />What is the vapour pressure of a solution containing 12.8g of napthalene , C10H8 , in 100g of benzene at the same temperature ?<br /><br />A) 9.18x10^3 Pa<br />B) 9.25x10^3 Pa <br />C) 9.90x10^3 Pa <br />D) 20.0x10^3 Pa <br /><br /><br />Another question ...<br /><br />Gold crystallises in the face centered cubic lattice . <br />How many unit cells are there in a gold sample whose mass is 1.560g ? <br />(Relative atomic mass : Au, 196.97)<br /><br />A) 1.15x10^12<br />B) 6.78x10^12<br />C) 1.19x10^21<br />D) 2.00x10^22 <br /><br />I dont have the ans ...but if you guys can get any answers pls state your way to do it ...<br />Pls help me to solve it ...very appreciated ... wesleylee Education Essentials Thu, 17 Jul 2008 19:25:47 +0800 http://forum.lowyat.net/topic/713010 can anybody help me to check whether these ingredients contains alcohol based ?<br /><br /><br />deionised water,sodium lactate, polysorbate 20 , sodium hyaluronate , propylene glycol , benzalkonium chloride , benzophenone-4 , lactic acid, essential oil, methylchloroisothiazolinone, methylisothiazolinone , Cl 42090 wesleylee Trends + Fashion Fri, 06 Jun 2008 09:11:34 +0800