1
Q
What is one mol equivalent to
A
Avogadro’s constant / 6.022 x 10^23
2
Q
How do you calculate mols of a substance
A
Mols = Mass / Mr
3
Q
How would you calculate the mols present in 25g of calcium carbonate
A
CaCO3 = 100
Mass= 25
25/100 = 0.25mols
4
Q
Calculate the mass of 0.25 moles in C4H10
A
C4H10 = 58
0.25 x 58 = 14.5g
Chemistry Formula
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