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Salsk061 [2.6K]
2 years ago
15

How many grams of Cl2 are in 0.345L at STP?

Chemistry
1 answer:
blsea [12.9K]2 years ago
3 0

Answer: 1.09 g

Explanation:

If we use the approximation that 1 mole is 22.4 L, then setting up a proportion,

  • 1/22.4 = x/0.345 (x is the number of moles in the sample)
  • x = 0.0154 mol

Since the mass of a mole of chlroine is about 70.9 g/mol, (0.0154)(70.9) = 1.09 g (to 3 s.f.)

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