A student performs a dehydration experiment to determine the molecular formula for CuSO4 . X H2O. The student begins with a hydrate mass of 1.6137 g, and 1.0293 g of anhydrate remains at the end of the experiment. Calculate the value of X; upload a file showing all work with units for full credit.

out of these options:

ability to burn paper

pure sodium reacting violently with water

the boiling point of water

helium does not tend to react with anything

i would say this is a physical property:

helium does not tend to react with anything

why? :

i said helium does not tend to react with anything because well, it reacts to ! but ability to burn paper, pure sodium reacting violently with water, & the boiling point of water are chemical or

physical properties: the properties of a substance that can be observed without changing the chemical makeup of the substance

chemical properties: properties of a substance relating to the chemical nature and reactivity of the substance

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