Question

before after Data Table Complete the Data Table below. And then See ANSWER SHEET for Q3 rxn reaction mass CuCl2 2H20 = 1.58g Row Aluminum wire Elemental copper 1 3.052 mass dry filter paper, 1.124 mass before rxn, & mass after rxn, 8 2 0.957 3.713 mass paper + Cu(s), At = 12min, 8 mass paper + Cu(s), At = 12min + 5min, 3.641 4 mass Al(s) lost.g mass Cu(s) produced, & 5 moles Al(s) lost* moles Cu(s) produced *: report to hundred-thousandths decimal place See ANSWER SHEET for 24 588 에 8

I need help with row 4 & 5.

Answer 1

Alummin wire. I Mass beter rx = 1.124 g mass after x = 0.957 g (u) Mass Alcs) lost (betore - After) - (1.125-01951), I Mass - / 0.168 g (5) more Alls) lost Molar Hans Alb = 26.98 glad more = mass Molertears & = 0.168 mer 26.98 r more=0.00623 mol / Alimance Copper. Mans dry Paler-3.052 mass of culs. at t=12 mm = (3.713 - 3052) 2 = 0.661 g mass of Culs) at t= 17 men = (3.64B-3.052) = 0.589 g (4) mars of cu produse = (0.661 -0.589) = 0.0729 moler means of cu = 63.546 glam (5) role of cu produe = mass holar trans 0.072 g = 63.546g/ud more = 0.00113 mar

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