I will love u forever if u help me + branliest Use the following equation: 2Mg + O2 → 2MgO

If 20 grams of MgO were produced, and the reaction used 15 g of Mg, how much O2 was used?

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon