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The gram formula mass of NH4Cl is(1) 22.4 g/mole (3) 53.5 g/mole(2) 28.0 g/mole (4) 95.5 g/mole

Sagot :

Lulu1991idn
The answer is (3) 53.5 g/mol. The gram formula mass means that the mass of one mol compound. 1N=14, 4H=4, 1Cl=35.5. So the gram formula mass of NH4Cl=14+4+35.5=53.5 g/mol.

Answer: Option (3) is the correct answer.

Explanation:

Gram formula mass or molar mass is the sum of mass of all the individual  atoms present in the compound or formula.

For example, gram formula mass of [tex]NH_{4}Cl[/tex] is calculated as follows.

     [tex]NH_{4}Cl = Mass of N + 4 \times mass of H + mass of Cl[/tex]

                            = [tex](14.00 + 4 \times 1.00 + 35.45)[/tex] g/mol

                             = (14.00 + 4.00 + 35.45) g/mol

                             = 53.45 g/mol

                             = 53.5 g/mol (approx)

Thus, we can conclude that the gram formula mass of [tex]NH_{4}Cl[/tex] is 53.5 g/mol (approx)

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