The table below shows the density of a sample of a mystery liquid you tested in the lab. can you infer the identity of the substance from these data?

a. yes, the substance must be water.
b. no, more data are needed.
c. no, the data must be wrong because density always decreases with an increase in temperature.
d. yes, but only if the data for 50ºc and 70ºc were also present.

The answer to your question is: B

Explanation:

Although it seems that the substance  is water, is necessary to have more information.

If we compare the  density shown in the table shows with that reported in books, only the density at 20 and 40°C is equal in both. The density reported in books for water at 60°C is 0.982 g/cm3 and the reported in the table is 0.972 g/cm3. This last datum makes us conclude that is necessary to have more data.

може ли да зареждате повече информация, моля

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