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notsponge [240]
3 years ago
12

Question 6

Chemistry
1 answer:
crimeas [40]3 years ago
8 0

Answer: There are 10.5\times 10^{23} formula units in 1.75 mol sample of NaCl.

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number 6.023\times 10^{23} of particles.

1 mole of NaCl contains = 6.023\times 10^{23} formula units

Thus 1.75 mol of NaCl contains = \frac{6.023\times 10^{23}}{1}\times 1.75=10.5\times 10^{23} formula units

Thus there are 10.5\times 10^{23} formula units in 1.75 mol sample of NaCl.

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