Question

Q 4 Calculate the number of molecules in 50 g of CaCO3
(Atomic mass of Ca = 40 u, C = 12 u and 0 = 16 u)



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Answer 1

Step-by-step explanation:

Caco3= 40+12+(16*3)

so,

52+48

80u......

so, in 50g= 80*50= 4000