Respuesta :

Answer:

One mol of NaCl (6.02 x1023 formulas) has a mass of 58.44 g

Explanation:

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Molar mass of Nacl=23+35.5=58.5g

[tex]mole = \frac{given \: mass}{molar \: mass} \\ mole = \frac{12.25}{58.5} \\ mole = 0.21[/tex]

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