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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