Chemistry Question- mg/L to meq/L and moles/L as well as mg/L?

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j4jaymin

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The question says you have 200 mg/L (given alkalinity of water) as CaCO3 .. Express this as meq/L and moles/L. But then it also asks for you to express it in mg/L as well ... but thats given?! .. what am i missing?

i need help with the meq/L and moles/L too.
sorry it says express this "bicarbonate" concentration in units of meq/L moles/L and mg/L .


so does that mean because CaCO3 is in water it dissolved to yield Ca2+ and CO3(2-) ... and then you convert it somehow ?
 
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