Macmillan Learning A sample of hydrogen sulfide, H₂S, has a mass of 67.25 g. Calculate the number of hydrogen sulfide molecules in the sample. number of molecules: x10 TOOLS molecules

Q: Does the size of the end spot depend upon the mobile phase?

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A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

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Q: Determine the number of atoms of O in 57.4 moles of Al2(CO3)3.

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Q: НО

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Q: Help ASAP What are the IUPAC names of the following structures?

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Q: kindly draw the structures for these compounds asap 6-isopropyl-5,7-di(pentan-3-yl)undecane

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Q: balance the equation in acidic solution Cr2O72-+NO2------>Cr3++NO3-

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Q: O

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.