Analysis of a 45.0g sample of water revealed a silver concentration of 47.1ppm. Assuming the solution has a density of 1.00g/mL. Calculate the molar concentration of the silver in the solution. (I am so lost with this question. Does it make sense to anyone?) help! :(
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convert 47.1 ppm to grams then to moles...
1g of water = 1 mL
then Molarity=moles/L of solution
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oh wait sort i meant *g of solution at the bottom
okay, so you're saying ppm = (g of water/ g of solution)?
times a million, yes
sorry, this question confuses me because it says "silver concentration of 47.1 ppm" in the beginning of the question and then it says "calculate the concentration of the lead in the solution" at the end. it totally messes with me! ah! :|
So it says "assuming the solution has a density of 1.00g/mL" should I do ( 45.0g water/ 1.00 g/ml) = 45 mL? i'm so lost.
x a million. lol
wait. ugh, this is so frustrating. all that i just said that made no sense.
haha oh i didn't even notice that.. it's probably a typo..
47.1= (g of silver/45 mL )x1,000,000
45 mL can from mass of water and density
1 g/ml= 45 g/V
V= 45 mL