Question

why should the maximum percent yield never be above 100%?

Answer 1

coz it cant be. u cant get 101grams out of 100grams can you?

Answer 2

We take 100 % as reference .simply its international triads
but sometimes questions are also asked in competition of expect 100% (eg-150%, 190% ...)
for get amount of anything by letting it all 100 is called percentage .

Answer 3

BECOZ U TAKE THE TOTAL AMT TO BE 100%...EG IF THE WEIGHT IS 200G, U TAKE DAT TO BE 100%,ETC.