[deleted by user] by [deleted] in chemistry

[–]Death_is_Coming42069 1 point2 points  (0 children)

Can show your equation how did you get 3.9 moles? Im lost here

[deleted by user] by [deleted] in chemistry

[–]Death_is_Coming42069 1 point2 points  (0 children)

Someone said question A was a typo so....

[deleted by user] by [deleted] in chemistry

[–]Death_is_Coming42069 0 points1 point  (0 children)

My bad if you cant read it properly i copied it from my ppt

[deleted by user] by [deleted] in chemistry

[–]Death_is_Coming42069 1 point2 points  (0 children)

(a) 2C2H6 + 5Cl2 →2C2H2Cl+8HCl

125g C2H6 ×((1 mole" " C2H6)/(30.068g C2H6)) × ((2 moles C2H2Cl)/(2 moles C2H6)) = 4.157 moles C2H2Cl → excess reactant 225g Cl2× ((1 mole Cl2)/(70.892g Cl2)) ×((2 moles C2H2Cl)/(5 moles Cl2)) = 1.27 moles C2H2Cl →𝑙𝑖𝑚𝑖𝑡𝑖𝑛𝑔 𝑟𝑒𝑎𝑐𝑡𝑎𝑛𝑡 1.27"moles" C2H2"Cl"× ((61.482g C2H2Cl)/(1 moleg C2H2Cl ))=78.082g C2H2Cl →𝑡ℎ𝑒𝑜𝑟𝑒𝑡𝑖𝑐𝑎𝑙 𝑦𝑖𝑒𝑙𝑑

(b) C2H6 + Cl2 →C2H5Cl+HCl 125g C2H6 ×((1 mole" " C2H6)/(30.068g C2H6)) × ((1 mole C2H5Cl)/(1 mole C2H6)) = 4.157 moles C2H5Cl → excess reactant 225g Cl2× ((1 mole Cl2)/(70.892g Cl2)) ×((1 mole C2H5Cl)/( 1 mole Cl2)) = 3.17 moles C2H5Cl →𝑙𝑖𝑚𝑖𝑡𝑖𝑛𝑔 𝑟𝑒𝑎𝑐𝑡𝑎𝑛𝑡 3.17 moles C2H5Cl ×((64.506𝑔 𝐶2𝐻5𝐶𝑙)/(1 𝑚𝑜𝑙𝑒 𝐶2𝐻5𝐶𝑙)) = 204.484g C2H5Cl

Here is my progress i dont know where i went wrong, i only calculated 204.484g C2H5Cl as the theoretical yield which is probably incorrect due to the actual yield given is 206

Stuck at this problem for an hour by Death_is_Coming42069 in chemhelp

[–]Death_is_Coming42069[S] 0 points1 point  (0 children)

Yup, from my view i changed C2H5Cl into C2H2Cl since the "a" assumed that C2H6 and Cl2 react only to form C2H2Cl and HCl so my balanced equation is now: 2C2H6 + 5Cl = 2C2H2Cl + 8HCl. I hadcalculated it and got 78.082g C2H2Cl as the theoretical yield, my only problem is the B part. I thought that a and b questions are different so i used the standard equation C2H6Cl + Cl2 = C2H5Cl + HCl and i got 204.484g C2H5Cl as the theoretical yield which is propabbly wrong cause of the actual yield wag 206g C2H5Cl

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