Calculate Molarity-0.25 moles of sodium chloride is dissolved to
make 0.025 liters of solution

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy

Ill give u brainliest pls how is mass of carbon conserved during cellular respiration

Stoichiometry- i need with 14 and 15! an explanation would be appreciated!