In a synthesis experiment you obtain a sample of product on which you do a melting point determination and find a melting point range of 108.0 to 114.3 degrees Celsius. The sample is supposed to be benzoic acid. What preliminary conclusion(s) can you reach from this one determination? (select true or false)
1) The sample is probably impure.2) The sample is not benzoic acid3) The melting point determination may need improvement -- it may not have been done properly, and make sure it was repeated at least once.5) The sample probably needs recrystallization.6) The sample may be benzoic acid.

Idon’t know what the answer is i wish i could

The answer you are looking for is option d

1. why does the same side of the moon always face earthc.the rotational period of the moon is equal to one revolution around earth2. which is greater the moons period of rotation or its period of revolution  b.the moons revolution period around earth3.what was the major accomplishment of the apollo missions  c.sending the first human into space4. which of these space missions involved the deployment of lunar roversa. voyager 15. which scientists are going to explore next on kepler-186fd. evidence of existence of life6.which mission is not going to explore the outside of the solar  systemb.safir7.which technology limit the future of space explorationb. scientist must first develop certain technologies before missions can be completed.

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