Chemistry, 11.03.2021 20:00 kelseyduhhh
Magnesium is a medication used as a mineral supplement used to prevent and treat low levels of minerals in the blood. When magnesium (Mg) reacts with oxygen (O2 ) it forms magnesium oxide (MgO).
__2_Mg + ___ O2 __2_ MgO
If 25g of Mg reacts with O2, and 100 g of MgO is formed, how much O2 was needed?
Answers: 2
Chemistry, 22.06.2019 08:00, tchase0616
What is the molarity of 60.0 grams of naoh dissolved in 750 milliliters of water? a) 1.1 m b) 2.0 m c) 12 m d) 75 m
Answers: 1
Chemistry, 22.06.2019 23:30, bxymichelle
With the largest atoms and the smallest number of valence electrons and with the smallest atoms and the greatest number of valence electrons are the most reactive. a. nonmetals; metals b. nonmetals; transition elements c. transition elements; metals d. metals; nonmetals
Answers: 3
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