chemistry

Calculate the molarity of each.

a. 1.50 mole of NaCl in 8.00 L of solution

0.188 M NaCl

b. 270 mg of NaCl in 3.00 mL of solution

90 M NaCl

1. 👍 0
2. 👎 0
3. 👁 70
1. I agee with a but not b.
b)
270 mg = 0.270g
mols = 0.270/58.44 = about 0.005
M = moles/L = about 0.005/0.003 = ?

1. 👍 0
2. 👎 0

Similar Questions

1. Chemistry

What is the molarity of the resulting saline solution when you mix 1 mole HCl with 1 mole NaOH? I'll provide some basic information that I know, but could somebody tell me how to get the answer using the data? The balanced

asked by Andrew on March 8, 2008
2. Chemistry

1. Not sure of how to do the calculations... Make a 0.200 m solution of NaCl in a 100. mL volumetric flask. ... Solution A's question or statement is the same but with M (molarity) Is this right? The small m means molality. If it

asked by A on February 2, 2017
3. CHEMISTRY

1. Not sure of how to do the calculations... Make a 0.200 m solution of NaCl in a 100. mL volumetric flask. ... Solution A's question or statement is the same but with M (molarity) Is this right? The small m means molality. If it

asked by Allison on February 3, 2017
4. science

a solution is made by dissolving 25 g NaCl in enough water to make 1.0 L solution. Assume that density of the solution is 1.0 g/mL. calculate the mass percent, molarity, molality, and mole fraction of NaCl.

asked by Kyle on January 5, 2015
5. college chemistry

a solution is made by dissolving 25 g NaCl in enough water to make 1.0 L solution. Assume that density of the solution is 1.0 g/mL. calculate the mass percent, molarity, molality, and mole fraction of NaCl.

asked by Kyle on January 5, 2015
6. science

a solution is made by dissolving 25 g NaCl in enough water to make 1.0 L solution. Assume that density of the solution is 1.0 g/mL. calculate the mass percent, molarity, molality, and mole fraction of NaCl.

asked by Kyle on January 5, 2015
7. chemistry

a solution is made by dissolving 25 g NaCl in enough water to make 1.0 L solution. Assume that density of the solution is 1.0 g/mL. calculate the mass percent, molarity, molality, and mole fraction of NaCl. whats wrong 25 g NaCl

asked by Kyle on January 5, 2015
8. Chemistry

An aqueous solution contains 2.0 % NaCl by mass. (1) Calculate the molality (NOT molarity!) of the solution. (2) Calculate the mole fraction of the solution. I know how to solve both but the problem is missing one other

asked by . on January 26, 2010
9. chemisrty

Q4) Suppose you prepare 950 mL of a solution by dissolving 100 grams of NaCl in 900 mL of water. Assuming the density of pure water to be 1 g/mL, answer the following questions with regards to this solution: a) What is the mass

asked by lyan on January 16, 2012
10. chemistry

a solution is made by dissolving 25 g NaCl in enough water to make 1.0 L solution. Assume that density of the solution is 1.0 g/mL. calculate the mass percent, molarity, molality, and mole fraction of NaCl. help please 25g/58.44g

asked by an on January 6, 2015

More Similar Questions