One mole of any gas occupies ______ ml at S.T.P. - Science

One mole of any gas occupies ______ ml at S.T.P.

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One mole of any gas occupies 22400 ml at S.T.P.

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Chapter 7: Atoms and Molecules - Evaluation [Page 103]

Chapter 7 Atoms and Molecules
Evaluation | Q II. 9. | Page 103

Calculate the molar mass of the following substance:

Hydrochloric acid, HCl

Convert into mole.

12 g of oxygen gas

How many moles of O2 are there in 1.20 × 1022 oxygen molecules ?

Calculate the mole ratio of 240 g of calcium and 240 g of magnesium. (Ca = 40 u ; Mg = 24 u)

Define the term:

Mole

Find the number of molecules in 1.8 g of H₂O.

Calculate the number of particles in 0.1 mole of any substance.

Calculate the mass of 0.1 mole of the following:

CaCO₃

(Ca = 40, Na = 23, Mg = 24, S = 32, C = 12, Cl = 35.5, O = 16, H = 1)

If phosphorus is considered to contain P₄ molecules, then calculate the number of moles in 100g of phosphorus?

Calculate the number of moles in 27g of Al.