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01-02-2021
Chemistry

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Identify the correct statement regarding the mole. a. A mole of oxygen gas contains 6.02 1023 atoms. b. A mole of chlorine gas contains 2 6.02 1023 atoms. c. A mole of carbon dioxide contains two moles of oxygen molecules. d. A mole of ammonia gas (NH3) has a mass of 34.0 g. e. A mole consists of the number of particles in exactly 12 g of naturally occurring carbon.

Respuesta :

02-02-2021

Answer:

b. A mole of chlorine gas contains 2 (6.02 * 10^23 ) atoms.

c. A mole of carbon dioxide contains two moles of oxygen molecules (CO2)

e. A mole consists of the number of particles in exactly 12g of naturally occurring carbon.

Explanation:

A mole of oxygen gas (O2) contains 2 (6.02 * 10^23) atoms

A mole of Ammonia gas (NH3) has a mass of 17.031g/mol

A mole is defined as the unit used in measurement of the amount of substances in the International System of Units.

A mole was initially defined as the number of particles in exactly 12g of naturally occurring carbon.

Therefore, options b, c and e are correct

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