URGENT CHEMISTRY PROBLEM!? CONCENTRATION?!? HELP?

Posted on 2015-11-23 07:09:00 in Chemistry by CHARLIE

Question: If 60.0 grams of NaCl are dissolved in 125. mL of water (water has a density of 1.00 gram per mL), calculate the following concentration measures. Remember that when adding 60.0 grams if NaCl in 125 mL of water, the volume would still be 125 mL of water (volume of the final solution).

a. Weight/volume percent
I got 48 percent

b. Weight/weight percent
I got 32.4 percent

c. Molarity
I got 8.22 M

Please confirm if my answer is correct. If it is wrong, please explain and give me the correct answer. Thank you! (P.S I have asked this question before but people said that it's impossible to calculate the answer from the given info)

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