calculate number of atoms in 0.45g in water?
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it's simple mate
just find the no. of moles& multiply with avogadro number
no. of moles = given mass/molar mass
= 0.45/18
atoms = 0.45/18 ×6×10²³
= 0.15×10²³
hope it helped you
please mark it as the brainliest answer
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