Which solution has the lowest molarity when 25.0 grams of the solute is dissolved in 250.0 milliliters of solution

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

Displacement is the slope of a velocity vs. time graph a. true b. false

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