Calculate the number of moles in (D) (i) 3.011 x 1023 atoms of C. (ii) 9g of water (iii) ) Calculate the mass of 0.5 mole of sugar (C12H22O11) (NA = 6.022 x 1023 mol-1 , At. mass of O = 16 u, H=1u and C = 12u ) 9) Calculate the number of atoms in 120g of calcium and 120g of iron. (D) Which one has more number of atoms? (At. mass of Ca = 40 u , Fe= 56 u)
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