Asked by Rachel

(a) Calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 8.0 g. Silver has 47 electrons per atom, and its molar mass is 107.87 g/mol.

(b) Imagine adding electrons to the pin until the negative charge has the very large value 2.00 mC. How many electrons are added for every 109 electrons already present?

thanks

Answers

Answered by bobpursley
How many moles of silver do you have? 8/147.87

for each mole of silver atoms, you have avagnumber*47 electrons.

number electrons: charge/chargeof one electgron

ratio=number added/109
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