Calculate each of the following quantities in 0.190 mol of C6H14O.

A. Calculate the number of moles of C (nC).

B. Calculate the number of moles of O (nO).

C. Calculate the number of atoms of H (NH).

D. Calculate the number of atoms of C (NC).

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What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

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