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Original Question
What mass of electrons would be required to just neutralize the charge of 2.7 of protons?Asked by Claire
What mass of electrons would be required to just neutralize the charge of 1.4 of protons?
Answers
Answered by
Claire
**1.4 grams of protons
Answered by
DrBob222
Look up the mass of one proton (and one electron).
mass proton x # protons = 1.4 grams. Solve for # protons.
#protons = # electrons.
# electrons x mass 1 electron = mass electrons.
It can be done another way with reasoning.
We know that a proton is about 1833x more massive than an electron; therefore, 1.4 g/1833 = about 0.00076g. See if you get that answer with the calculation above.
mass proton x # protons = 1.4 grams. Solve for # protons.
#protons = # electrons.
# electrons x mass 1 electron = mass electrons.
It can be done another way with reasoning.
We know that a proton is about 1833x more massive than an electron; therefore, 1.4 g/1833 = about 0.00076g. See if you get that answer with the calculation above.
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