Question

Calculate the mass of 60ml of ammonia gas at STP?​

Answer 1

Answer:

volume = 60 ml

We know that

1 mole of ammonia = 22400 ml

No of moles of NH3 in 60 ml

= 1/22400

= 4.46 × 10-⁵moles

1 mole = 6.023 × 10²³ molecules

4.46 × 10-⁵moles contain

= 6.023 × 10²³ × 4.46 × 10-⁵

= 2.68 × 10¹⁹ molecules

There are 4 atoms in 1 molecule of NH3

= 2.68 × 10¹⁹ × 4

= 1.07 × 10²⁰

Explanation:

This is the answer

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