Calculate the molarity of the solution: 6.02x10^22 molecules of hcl (molecular weight = 36.5 g/mole) in 2.0 liters of water.

Molarity of HCl = 0.05 M

Explanation:

Given:

Molecules of HCl = 6.02*10^22

Molecular weight of HCl = 36.5 g/mole

Volume of water = 2.0 L

Explanation:

Molarity of a solution is the number of moles of solute in a given volume (liter) of the solution.

Calculation:

1 mole of HCl contains 6.023*10^23 molecules

Therefore, 6.02*10^22 molecules corresponds to :

=

specific gravity is the density of a substance divided by the density of water. since (at standard temperature and pressure) water has a density of 1 gram/cm3, and since all of the units cancel, specific gravity is usually very close to the same value as density

so "c" is the answer

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