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How many formula units are in a sample of salt, NaCl, with a mass of 87.75 grams?

User TKumar
by
8.4k points

1 Answer

3 votes

Answer:

Number of Nacl units in mass of
87.75 grams
= 1.50

Step-by-step explanation:

Mass of one unit of NaCl or one atom of NaCl is
58.44 g/mol

The total mass of the NaCl is
87.75 grams.

The number of unit in
87.75 grams of NaCl is equal to
87.75 grams divided by mass of one unit of NaCl i.e
58.44 g/mol

This can be mathematically be presented as


(87.75)/(58.44) \\ Units


1.50 Units

Number of Nacl units in mass of
87.75 grams
= 1.50

User Fhnaseer
by
7.8k points

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