Calculate the number of calcium atoms in 2.5 mole of calcium

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Solution

Dear Student

Avogadro's number = 6.022*10²³
$n u m b e r o f m o l e s = \frac{n u m b e r o f a t o m s}{A v o g a d r o' s n u m b e r} 2.5 = \frac{n u m b e r o f a t o m s}{6.022 \times 10^{23}} n u m b e r o f C a a t o m s = 6.022 \times 10^{23} \times 2.5 = 1.5055 \times 10^{24}$

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Calculate the number of calcium atoms in 2.5 mole of calcium

Dear Student Avogadro's number = 6.022*1023 number of moles=number of atomsAvogadro's number2.5=number of atoms6.022×1023number of Ca atoms = 6.022×1023×2.5=1.5055×1024 Regards

Dear Student

Avogadro's number = 6.022*10²³
$n u m b e r o f m o l e s = \frac{n u m b e r o f a t o m s}{A v o g a d r o' s n u m b e r} 2.5 = \frac{n u m b e r o f a t o m s}{6.022 \times 10^{23}} n u m b e r o f C a a t o m s = 6.022 \times 10^{23} \times 2.5 = 1.5055 \times 10^{24}$

Regards