The mass of 1 × 1023 molecules of H2O is: — Chemistry | Mockzy

MediumChemistryBasic Moles

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The mass of 1 × 10²³ molecules of H₂O is:

2.4 g

1.5 g

3 g

4.5 g

When 60 g of salt is dissolved in 600 mL of water, the mass by volume percentage

The moles of O2 required for reacting with 6.8 g of ammonia is:4NH3 + 5O2 → 4NO

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112.0 mL of NO2 at STP was liquefied, the density of the liquid being 1.15 g mL−1. Calculate the num

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