How many moles are represented by 24.5 g h2so4?

molecular mass of H2SO4 = 2*1+16*2+32*4 = 98

therefore,

98 gm H2SO4 = 1 mole H2SO4

1 gm H2SO4 = 1/98 mole H2SO4

24.5 gm H2SO4= 24.5/98 = 0.25 mole

H2SO4

There are various similarities and differences between the ancient Greek concept of an atom and Dalton's atomic theory. One key point that is similar in the two concepts was that all matters are made up of small and invisible atoms. Aside from that, some similarities between the ancient Greek concept of an atom and Dalton's atomic theory include stating that atoms are indestructible and indivisible. Further, both theories formulated that atoms have different size and mass.

Meanwhile, here are some of the differences between the Ancient Greek Concept of an Atom and Dalton's Atomic Theory:

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