Will give brainliest! What is the balanced equation for Mg+O2? I got:

Mg+O2 -> MgO2

2Mg+O2 -> 2MGO

Both may or may not be right so if its neither please put the correct answer. Thanks!

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

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The density of benzene at 15 °c is 0.8787 g/ml. calculate the mass of 0.1500 l of benzene at this temperature. enter your answer in terms of grams