anonymous
  • anonymous
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
Chemistry
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
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.
anonymous
  • anonymous
how do you do that???
anonymous
  • anonymous
Find the moles of NaCl?

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anonymous
  • anonymous
How do you do that?!?
anonymous
  • anonymous
29 g of Nacl * molar mass of NaCl= answer
anonymous
  • anonymous
I think she needs you to set it up in a equation
anonymous
  • anonymous
I just did.
anonymous
  • anonymous
Then you take that answer and put it over the liters of solution.
anonymous
  • anonymous
this is my question.... how would you find the molar mass of NaCl?
anonymous
  • anonymous
The molar mass is the sum of the atomic mass' of the Na+Cl
anonymous
  • anonymous
which is X grams/moles
anonymous
  • anonymous
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)
anonymous
  • anonymous
ok... i got the molar mass as 58.442 so will i do 29 * 58.442
anonymous
  • anonymous
@aussy123 you've got something a little wrong there hun
anonymous
  • anonymous
Oh sorry I missed 0.015M

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