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minnie123
Group Title
Calculate the molarity of the solution.
29 g of NaCl (g.f.w. = 58.5 g/mol) in 0.030 liters.
0.015 M
17 M
67 M
 2 years ago
 2 years ago
minnie123 Group Title
Calculate the molarity of the solution. 29 g of NaCl (g.f.w. = 58.5 g/mol) in 0.030 liters. 0.015 M 17 M 67 M
 2 years ago
 2 years ago

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afa92 Group TitleBest ResponseYou've already chosen the best response.0
First you want to find the moles of 29g of NaCl. Then you can plug it into the equation for molarity which is moles of solute/liter of solution.
 2 years ago

minnie123 Group TitleBest ResponseYou've already chosen the best response.0
how do you do that???
 2 years ago

afa92 Group TitleBest ResponseYou've already chosen the best response.0
Find the moles of NaCl?
 2 years ago

minnie123 Group TitleBest ResponseYou've already chosen the best response.0
How do you do that?!?
 2 years ago

afa92 Group TitleBest ResponseYou've already chosen the best response.0
29 g of Nacl * molar mass of NaCl= answer
 2 years ago

aussy123 Group TitleBest ResponseYou've already chosen the best response.0
I think she needs you to set it up in a equation
 2 years ago

afa92 Group TitleBest ResponseYou've already chosen the best response.0
Then you take that answer and put it over the liters of solution.
 2 years ago

minnie123 Group TitleBest ResponseYou've already chosen the best response.0
this is my question.... how would you find the molar mass of NaCl?
 2 years ago

afa92 Group TitleBest ResponseYou've already chosen the best response.0
The molar mass is the sum of the atomic mass' of the Na+Cl
 2 years ago

afa92 Group TitleBest ResponseYou've already chosen the best response.0
which is X grams/moles
 2 years ago

aussy123 Group TitleBest ResponseYou've already chosen the best response.0
moles = given wt/mol. Wt Mol.wt of nacl=23+35.5=58.5 gm Moles = 29/58.5 = 0.495 = 0.5 moles (approx)
 2 years ago

minnie123 Group TitleBest ResponseYou've already chosen the best response.0
ok... i got the molar mass as 58.442 so will i do 29 * 58.442
 2 years ago

minnie123 Group TitleBest ResponseYou've already chosen the best response.0
@aussy123 you've got something a little wrong there hun
 2 years ago

aussy123 Group TitleBest ResponseYou've already chosen the best response.0
Oh sorry I missed 0.015M
 2 years ago
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