How many moles are there in 5g of calcium?(calcium=40u
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1 mole of calcium=40gm=6.022x10^23 atoms
5 gm of Ca=6.022x10^23x5/40
=7.527x10^22 atoms
5 gm of Ca=6.022x10^23x5/40
=7.527x10^22 atoms
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