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 2 years ago
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! :(
 2 years ago
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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aaronq
 2 years ago
Best ResponseYou've already chosen the best response.1convert 47.1 ppm to grams then to moles... 1g of water = 1 mL then Molarity=moles/L of solution

kittykitty04
 2 years ago
Best ResponseYou've already chosen the best response.0okay... how do i go from ppm to g? :S

aaronq
 2 years ago
Best ResponseYou've already chosen the best response.1ppm=(g of silver/g of water) x 1,000,000

aaronq
 2 years ago
Best ResponseYou've already chosen the best response.1oh wait sort i meant *g of solution at the bottom

kittykitty04
 2 years ago
Best ResponseYou've already chosen the best response.0okay, so you're saying ppm = (g of water/ g of solution)?

kittykitty04
 2 years ago
Best ResponseYou've already chosen the best response.0sorry, 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.

kittykitty04
 2 years ago
Best ResponseYou've already chosen the best response.0wait. ugh, this is so frustrating. all that i just said that made no sense.

aaronq
 2 years ago
Best ResponseYou've already chosen the best response.1haha oh i didn't even notice that.. it's probably a typo..

aaronq
 2 years ago
Best ResponseYou've already chosen the best response.147.1= (g of silver/45 mL )x1,000,000

aaronq
 2 years ago
Best ResponseYou've already chosen the best response.145 mL can from mass of water and density 1 g/ml= 45 g/V V= 45 mL

kittykitty04
 2 years ago
Best ResponseYou've already chosen the best response.0alright. i think i got it, thanks aaron!
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