Mole Concept — Set 2

How many moles of solute are present in 250 mL of a 2.0 M solution?

The dilution equation for solutions is?

Mass percent (% by mass) of a solute in a solution is?

Molality (m) of a solution is defined as?

Mole fraction of a component in a mixture is?

In a chemical reaction, the limiting reagent is the reactant that?

For the reaction 2H2 + O2 → 2H2O, if 5 mol H2 reacts with 2 mol O2, which statement is correct?

What is the mass of 0.20 mol of NaCl? (Na=23, Cl=35.5)?

In dilute aqueous solutions, 5 ppm of a solute is approximately equal to?

How many atoms are present in 0.10 mol of sodium (Na)?