3 A student has a 5.00 gram sample of calcium chloride (CaCl2) solid. How many moles of calcium chloride are

contained in this sample?

0.0450 moles of

Explanation:

According to avogadro's law, 1 mole of every substance weighs equal to its molecular mass and contains avogadro's number of particles.

To calculate the moles, we use the equation:

Thus there are 0.0450 moles of

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