Understanding the C1V1 = C2V2 Equation

What does the C1V1 = C2V2 equation represent?

• The relationship between speed and time

• The relationship between concentration and volume

• The relationship between mass and energy

• The relationship between pressure and temperature

In the equation C1V1 = C2V2, what does C1 stand for?

• Starting volume

• Final volume

• Starting concentration

• Final concentration

How can you find the starting concentration if you know the other variables?

• Add the final concentration and final volume

• Subtract the final concentration from the final volume

• Multiply the starting volume by the final concentration

• Multiply the final concentration by the final volume and divide by the starting volume

In the PCR reaction example, what is the starting concentration of the forward primer?

• 10 micromolar

• 0.4 micromolar

• 25 micromolar

• 1 micromolar

What is the final volume in the PCR reaction example?

• 1 microliter

• 25 microliters

• 0.4 microliters

• 10 microliters

How much forward primer solution is needed in the PCR reaction example?

• 10 microliters

• 0.4 microliters

• 25 microliters

• 1 microliter

In the ethanol solution example, what is the starting volume of ethanol?

• 70 milliliters

• 200 milliliters

• 100 milliliters

• 142.9 milliliters

What is the final concentration of ethanol in the solution example?

• 100%

• 70%

• 50%

• 30%

How much water needs to be added to achieve the desired ethanol concentration?

• 100 milliliters

• 42.9 milliliters

• 142.9 milliliters

• 70 milliliters

What is the purpose of using the C1V1 = C2V2 equation?

• To calculate the speed of a reaction

• To find an unknown concentration or volume

• To measure the temperature change

• To determine the pressure of a gas