Molar mass Mg = 24.3 g/mol
1 mole mg ------------ 24.3 g
?? moles mg --------- 4.75 g
4.75 x 1 / 24.3 => 0.195 moles of Mg
hope this helps!
B. each system works independently to stabilize the body
A. electron, B. Nucleus
Proton is positive charge, electron is negative charge
proton weight, 1 AMU
<em><u>Answer and Explanation:</u></em>




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I believe the answer is C