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The mass of a proton, mp, is estimated to be 1.67×10^−27 kg, and the mass of...

The mass of a proton, mp, is estimated to be 1.67×10^−27 kg, and the mass of an electron, me, is estimated to be 9.109 ×10^−31 kg. How many protons would it take to make a mass of 1g? 1kg? 1kg? How many electrons would it take to make a mass of 1g? 1kg?

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