how many formula units are in 3.6 grams of nacl?

3.914 x 10^22 formula units

Explanation:

number of moles of NaCl = 3.8g/58.5g/mol = 0.065 moles

Formula units of NaCl = 0.065 x 6.022 x 10^23 = 3.914 x 10^22

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contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.