Describe how to prepare 1 L of a 0.5 M solution of cobalt chloride hexahydrate (CoCl2 6H2O). Be sure to identify the labware shown above, explain your reasoning, and show any calculations.

Question

anonymous · Answer

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anonymous · Answer

I know there is 0.5 mole of cobalt chloride hexahydrate because M = mols/L  but what do I do next? @aaronq

anonymous · Answer

@dan815 @TheSmartOne @Compassionate @vera_ewing

thesmartone · Answer

I'm not that great in Chemistry, but @aaronq @Australopithecus @matt101 @MrNood @JoannaBlackwelder are better and maybe they can help you :)

thesmartone · Answer

@chmvijay is good in Chem too, not sure if he is really active still :P

yolomcswagginsggg · Answer

M = mols/L 
You want 1 L of 0.5M so you want 1 x 0.5 = 0.5 mols. 
grams for 0.5 mol = mols x molar mass = ? 

Weigh that many grams CoCl2.6H2O, add to a 1 L volumetric flask, add some water, swirl to dissolve the solute, add DI water to the mark on the flask, mix thoroughly, stopper.

matt101 · Answer

^

matt101 · Answer

If you have any questions @mastermindkakashi please ask!