Asked by MJ
You are asked to make a 0.3M CaCl2 solution in a flask that can hold
200 ml. How would you do it?
200 ml. How would you do it?
Answers
Answered by
DrBob222
How many moles do you want? That's M x L = mols.
How many grams is that? That's mols = grams/molar mass. Calculate grams.
Weigh the grams, add to the 200 mL volumetric flask, add some water, swish to dissolve the solid, make to the mark with distilled water and mix thoroughly.
How many grams is that? That's mols = grams/molar mass. Calculate grams.
Weigh the grams, add to the 200 mL volumetric flask, add some water, swish to dissolve the solid, make to the mark with distilled water and mix thoroughly.