why don't reactions give us a 100 percent yield?
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If you invest 25 dollars, and a year later they give you back $25.50, what did that investment yield ?Don't count the $25 you put in. That was yours all the time, and just having it returned is no big deal.The investment yielded 50¢ . That's 2 percent of the $25 that you put in, so the investment yielded 2% for the year.
Since there is no overall target given, it is not possible to answer the question precisely. However, x% in the final exam will give an overall percentage of 0.65*x + 28.75 percent.
30% = 0.3
If you have vinegar with less acidity than 5 percent, then yes. For instance, if you somehow had 0 percent vinegar, mixing the two half-and-half would give you 5 percent. If you have 2.5 percent, mixing 1 part 2.5 percent with 2 parts 10 percent will give you 5 percent.
76 is 304% of 25. 25 times 3.04 will give you 76.