Concentrations of Solutions

How do you calculate the molarity of a solution?

• By tasting it.
• Dividing the moles of solute by the L of  solution
• Dividing the moles of solute by the kg of  solvent
• By adding the sum of the molecular weight of the elements in the substance.

The ___ is the thing being dissolved in a solution.

• solute
• solvent
• substance
• stuff

Mixture of two or more substances uniformly dispersed.

• solute
• immiscible
• solution
• concentration

This type of mixture contains two or more substances that are visibly distinguishable. 

• homogeneous
• heterogeneous
• solution
• colloid

What is a solvent

• the liquid in which a solute is dissolved to form a solution.
• Another word for solution
• A thing that make drinks turn colors
• Its a metal molecole

What is the molality of a solution containing 1.3 mol in 13.4 kg of solution?

• 9.7 m
• 17.42 m
• 0.097 m

What is the molality of a solution in which 3.0 moles of NaCl is dissolved in 1.5 Kg of water?

• 2.0 m

• 0.22 m

• 135 m

Moles per kilograms is the unit used for measuring

• enthalpy
• effervescence
• molarity
• molality

Which solution is more concentrated?

Solution 1:

5 L of water

100 g of salt

Solution 2:

5 L of water

90 g of salt

• Solution 1

• Solution 2

• They have the same concentration

What does it mean to dilute a solution?

• lower the concentration of solute per solvent
• increase the concentration of solute per solvent