Use Avagadros number to calculate the number of molecules of H2S, the number of atoms of...

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Use Avagadros number to calculate the number of molecules ofH2S, the number of atoms of H, and the number of atoms of S, in5.25 moles of H2S. Show all work and keep track of units andsignificant figures.

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H2S moles = 5.25

1) calculation for H2S molecules

1 mole of H2S contain 6.023 x 10^23 molecules

Â Â Â Â Â Â Â Â 5.25 moles H2S contain howmany molecules ?

H2S molecules = 5.25 x 6.023 x 10^23

Â Â H2S moleculesÂ Â Â Â Â = 3.16 x 10^24

H2S -------------------------->Â Â 2 HÂ Â Â Â Â Â Â Â Â Â Â Â + S

5.25Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 2 x 5.25Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 5.25

5 .25 moles H2S containÂ Â 10.5 moles H and 5.25 moles S

2) calculation for H atoms

1 mole contain --------------------------> 6.03 x 10^23 atoms

10.5 mole -------------------------------?Â Â

H atoms = 6.023 x 10^23 x10.5

Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â = 6.32 x 10^24

3) calculation for S atoms

1 mole contain --------------------------> 6.03 x 10^23 atoms

5.25 mole -------------------------------?Â Â

S atoms = 6.023 x 10^23 x 5.25

Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â =3.16 x 10^24

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Use Avagadros number to calculate the number of molecules of H2S, the number of atoms of...

Free

80.2K

Verified Solution

Question

Chemistry

Use Avagadros number to calculate the number of molecules ofH2S, the number of atoms of H, and the number of atoms of S, in5.25 moles of H2S. Show all work and keep track of units andsignificant figures.

Answer & Explanation Solved by verified expert

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