Ariannah207idn
Answered

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How many moles is 80.0 g of calcium?

Sagot :

Miley1550idn

Answer:

Here we were given the weight of Ca as 80g

and the atomic mass of carbon is 40u(molar mass)

using the formula

n=W/M

where w is weight and m is molar mass

80/40

=2

therefore, there are 2 moles in 80g of calcium

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