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Keith_Richards [23]
3 years ago
8

If you have 2.0 moles of sodium chloride (NaCl), what is its mass in grams?

Chemistry
1 answer:
lana [24]3 years ago
6 0

Answer:

117g

Explanation:

Given parameters:

Number of moles = 2moles

Unknown:

Mass of NaCl  = ?

Solution:

To solve the problem, we need to use the expression below;

    Mass of NaCl  = number of moles x molar mass

Molar mass of NaCl  = 23 + 35.5  = 58.5g/mol

 

So;

Insert the parameters and solve;

     Mass of NaCl  = 2 x 58.5  = 117g

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