Question

Calculate the mass of 3.011 × 1024 molecules of water.​

Answer 1

your answer is 140 gram

Answer 2

Answer:

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Explanation:

1 mole of N2 = 14 x2 =28g

1 mole of N2 contains 6.022 x1023 molecules

Therefore, mass of 6.022 x1023 molecules of N2 = 28g

mass of 3.011 x1024 molecules of N2 = (3.011 x1024 x 28) /6.022 x1023

=14 x 1024-23

=140g

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