How many molecules are in 49.0 g of H2SO4? Answer in units of molec.

= 3.01× molecules.

Explanation:

1 mole of - 98g

? moles of - 49g

= 49 ÷ 98 = 0.5 moles of O2 in 49g.

But 1 mole of any substance = 6.023 × molecules

∴ 0.5 moles = 0.5 × 6.023 × molecules

= 3.01× molecules.

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the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl