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QCM 1p24 poly entrainement


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Posted

Bonjouuur

 

J'ai un petit problème d'unités pour l'item B de ce QCM :

88423265_163006264676317_5007062454086139904_n.jpg?_nc_cat=103&_nc_sid=b96e70&_nc_ohc=nfokMFV2OKgAX_Y9IF0&_nc_ht=scontent-mrs2-1.xx&_nc_tp=6&oh=f2daa6310222a5ac7d74a5db68bba6e2&oe=5E8FE3E2

 

J'ai noté sur ma correction 

Kd = Bmax / 0,14
= 0,14.10-9 / 0,14

= 10-9 M

Ce qui colle avec la correction dans le poly -> item B juste

 

Mais je ne comprends pas pourquoi on a 10-9 alors qu'on est en pmoles (10-12)? 

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