How many moles are there in 44.71 g of chlorine (cl)? use significant figures?

Mass of chlorine  = (given)

Molar mass of chlorine  =

Now, number of moles is defined as the ratio of given mass in gram to the molar mass of the compound.

Number of moles  =

Number of moles of chlorine  =

=

Now, according to significant figure rules, the least number of significant figure in the question identifies the number of significant figures in the solution.

Thus, in question, both digit have four significant figures, therefore, the answer must be in four significant figures.

Hence, number of moles of chlorine =

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a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.