Question

What weight of calcium will have same number of atoms as are present in 3g of aluminum?

Answer 1

Answer:

26galluminiun ---------> 1atom of Al

3g aluminium ----------> X atom of Al

X = 3/26 atom

40g -------> 1atom

y g ------> 26/3atom

y g = 40×3/26

= 60/13 g of calcium