Friday
December 19, 2014

Homework Help: chemistry

Posted by Anna King on Friday, February 3, 2012 at 4:25pm.

If exactly 100.0 grams of NaCl (molecular mass = 58.44 g/mol) are dissolved in 300 grams of water (molecular mass = 18.02 g/mol), the mole fraction of NaCl is

a) 1.71
b) 0.0932
c) 0.250
d) 0.103
e) 4.75

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Chemistry(Please check) - 1) If exactly 100.0 grams of NaCl (mm=58.44g/mol) are ...
Chemistry - A solution is made by dissolving 0.100 mol of NaCl in 5.35 mol of ...
Chemistry - A mass of 0.630 g of NaCl is dissolved in 525 g of water. CAlculate ...
Chemistry - Can some please check my answers for the following questions? THANK ...
Chem - Plese tell me if these are right. A 15.0-mL sample of NaCl solution has a...
chemistry - Record and calculate the following masses: (a)mass of empty beaker: ...
Chemistry - 1)The chemical formula for aspirin is C9H8O4. What is the mass of 0....
AP chemistry - 8.3 grams of NaCl and 3 grams of KBr were dissolved in 47 mL of ...
Chemistry - Calculate the empirical formula and molecular formula of a compound ...
chemisrty - Q4) Suppose you prepare 950 mL of a solution by dissolving 100 grams...

Search
Members