How many moles of salt (NaCl) are in a teaspoon of salt that contains 5.00 g?

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1

Explanation:

M r ( NaCl ) = A r ( Na ) +  A r ( Cl )  =  23 + 35,5  =  58,5

 So, 1 mol of NaCl has a mass of 58,5 g.

Moles of NaCl  =  58,5 g NaCl

times (x)

1 mol NaCl  = 58,5 g NaCl  =  1,00 mol NaCl