1. In an experiment similar to the one you performed in lab, a student mistakenl

Question

1. In an experiment similar to the one you performed in lab, a student mistakenly assumed that the temperature of the vapor was ambient. Would the calculated molecular weight therefore be larger or smaler than the true value? Explain. coucnAw mert wand 2. The element sulfur exists naturally as a "network atomic solid with molecules of sulfur atoms bonded in a ring of formula S,. If the density of elemental sulfur vapor at 445°C and 807 torr is 4.63 g/L, calculate the molar mass of the sulfur gas and hence deduce its molecular formula (ie., determine x).

Explanation / Answer

Ans 1 : Ambient temperature is the normal temperature of the surrounding which is very obviously very less than the vapour temperature. So since the assumed temperature is smaller than the actual temperature , the molecular weight obtained by multiplying this smaller value will also be smaller.

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