Question

How many moles of calcium carbonate are in a tablet with a mass of 502 mg?

Answer 1

Answer:

Explanation:

CaCO3³

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 Atomic mass = 40+12+3×16

                      =100,

Moles=$\bold{\frac{gram\:weight}{atomic\:weight}}$

$\bold{=\frac{502}{100}[Given] }$,

= 5.02 moles of calcium carbonate ARE IS TABLET WITH MASS OG 502 MG.