How many grams of AgNO3 would be needed to prepare 500.0 mL of a 0.250 M AgNO3 solution?

Question

kc_kennylau · Answer

how heavy is a mole of AgNO3?

anonymous · Answer

168.85g

kc_kennylau · Answer

and a quarter of that?

anonymous · Answer

why a quarter? Im asking because I have to be able to apply this to other problems I have.

kc_kennylau · Answer

coz 0.25 is a quarter of 1 lol

anonymous · Answer

so 56.85?

anonymous · Answer

maryy.jane 
I believe it goes:

molar times volume times molar weight.
so 0.25 molar times 0.5 litre times 168.85 grams=21.1063 grams

anonymous · Answer

anonymous · Answer

the calculator is cool but um i just don't know how to use it

anonymous · Answer

Go to the page

anonymous · Answer

Select the units that best fits the problem.  You are working in MOLS and litres so...

anonymous · Answer

Type in your values ...

anonymous · Answer

Hit the "Mass=" button and voila!... it also fills in the other equations to show you the basics of getting from anywhere to anywhere else.

anonymous · Answer

Point is, for your initial question, it is MOLS x LITRES x gms