It is the zinc that gets reduced, and the magnesium that gets oxidised. This is because zinc has the higher reduction potential of -0,76 V, compared to magnesiums -2,37 V.
The oxidation half cell therefore becomes Mg (s) --> Mg2++ 2e-
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MgCl2 aq plus Zn s is the oxidation half-reaction for Mg s plus ZnCl2 aq.
Half of half of half of one half is one sixteenth (0.0625).
This equals one and a half.
Half would be 50% of something. So half of half would be 25% of something.
Well if you can use half,quaters,and more fractions The awnser to half + half is 1