1s^2
2s^2
2p^6
3s^2
3p^6
4s^2
3d^10
4p^4
1 mole Fe produces 1 mole Cu
<span> molar mass of Fe is 55.8 g / mole
answer: </span><span>55.8g</span>
You have 3 (h2(so4)) on the reactants side so you need to have 6 total hydrogen’s on the products side. Therefore 3(h2) is required.
Making toast is a physical change.
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