A 20.0 ml. aliquot of a solution containing 10.9 g /L. of a mixture of Fe+2 and Fe+3 titrated with 13.10 ml. of 0.03 M K2Cr2O7 solution. The concentration of Fe+3 in the sample is:
astrid's concentration of the dilute aspirin solution will have smaller value than Sal's
the molarity value of Astrid's concentrated aspirin solution will be smaller than Nate's
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In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice. You have to take these medicines. A) These medicines you have to take. B) You have took these medicines. C) These medicines have to be taken by you. D) Taking of these medicines has to be done by you.
In the following passage some of the words have been left out. Read the passage carefully and choose the correct answer for the given blank out of the four alternatives. We have rich cultural _____ . Its roots go into _____. Ours has never been a closed ______. It has _______ just like a tree, ______ to external ______ but holding its roots _______. But one wonders today whether it will be able...