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Carlcarl311

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  1. 2 takeaways in as many days, were going to be fatties Regan

  2. 1. Whatis the concentration of 50 mM(milimoles) CaCl2 when expressed in %(w/v)? (Assume the Mr of Ca = 40 and Mr of Cl is 35.5) I got the RMM as 111 which i then halved and got 55.5, would I be right in thinking that it would then be 55.5% (w/v) ? Thanks in advanced for any help!
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