Which has the highest weight?
1 m3 of water
100 L CH4 (g) at S.T.P
6.02 × 1023 molecules of H2SO4
100 moles of He (g)
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Answer:
The answer is no. 1 - 1m3 of water
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Given:
1 m³ water,
100 L CH4 at STP,
6.02 × 10²³ molecules of H2SO4,
100 moles of He.
To Find:
The highest weight among the following.
Calculation:
- 1 m³ water = 1000 L = 1000 kg
- 100 L CH4 at STP = 100/22.4 = 4.46 mole = 71.42 gm
- 6.02 × 10²³ molecules of H2SO4 = 1 mole = 98 gm
- 100 moles of He = 100 × 4 = 400 gm
- So, 1 m³ water has the highest weight among the following, i.e., 1000 kg.
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