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how many grams of P4 (123.88g/mol) would contain the same number of atoms as 154 g...

how many grams of P4 (123.88g/mol) would contain the same number of atoms as 154 g S8 (256.48 g/mol)?

which of the foloowing will lead to an increase in the kinetic energies of photoelectrons emitted when the light is incident on metal surface?

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