2.30 g of ethanol were mixed with aqueous acidified potassium dichromate(VI) and the desired
organic product was collected by immediate distillation under gentle warming. The yield of
product was 70.0 %.

What mass of product was collected?
A 1.54 g B 1.61 g C 2.10 g D 2.20 g

Question

2.30 g of ethanol were mixed with aqueous acidified potassium dichromate(VI) and the desired 
organic product was collected by immediate distillation under gentle warming. The yield of 
product was 70.0 %. 
 
What mass of product was collected? 
A 1.54 g B 1.61 g C 2.10 g D 2.20 g

aaronq · Answer

find the theoretical yield then multiply it by 70%

abmon98 · Answer

2.30/46=0.05moles 
0.05 moles of ethanal because the ratio is 1:1 
0.05*44=2.2grams

abmon98 · Answer

http://onlineexamhelp.com/wp-content/uploads/2013/10/9701_w11_er.pdf could you please read page 4 question 26, how is the yield 100% of ethanal and thats what im trying to understand

aaronq · Answer

you didn't multiply it by 70%