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<blockquote data-quote="hanadr" data-source="post: 16927" data-attributes="member: 8110"><p>Dear RPNKW</p><p>the mole is a very straightforward measurement which used to be included in chemistry courses at about year 9 level. For some reason, many pupils found it difficult. Mainly because they wouldn't believe how simple it is and like many other challenging ideas in school science, it got dropped. When I was in school, in the dark ages, it was called a gram molecule. A millimole is 1 thousandth of a mole. If you want some fun try this. a mole of an element contains Avagadro's number of atoms.</p><p>Check me diabeticgeek.</p><p> I once took a short cut through a colleague's lab, whilst he was teaching sixth form physics. As I sneaked across the back of the room, he called "what's Avagadro's number?" I replied and he told the class, " See she's a biologist and knows it. It's something every scientist has at their fingertips."</p><p>Was I glad it jumped into my mind. I hadn't thought about it for decades. Incidentally a millimole of glucose weighs 0.148grams. since we have about 4 lires of blood, we should have about 3 grams of glucose circulating in it. ( all this in rounded numbers) </p><p>Someone please check my sums!</p></blockquote><p></p>
[QUOTE="hanadr, post: 16927, member: 8110"] Dear RPNKW the mole is a very straightforward measurement which used to be included in chemistry courses at about year 9 level. For some reason, many pupils found it difficult. Mainly because they wouldn't believe how simple it is and like many other challenging ideas in school science, it got dropped. When I was in school, in the dark ages, it was called a gram molecule. A millimole is 1 thousandth of a mole. If you want some fun try this. a mole of an element contains Avagadro's number of atoms. Check me diabeticgeek. I once took a short cut through a colleague's lab, whilst he was teaching sixth form physics. As I sneaked across the back of the room, he called "what's Avagadro's number?" I replied and he told the class, " See she's a biologist and knows it. It's something every scientist has at their fingertips." Was I glad it jumped into my mind. I hadn't thought about it for decades. Incidentally a millimole of glucose weighs 0.148grams. since we have about 4 lires of blood, we should have about 3 grams of glucose circulating in it. ( all this in rounded numbers) Someone please check my sums! [/QUOTE]
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