Molarity
Dilution
Constants & Equations
Chromatography & Solubility
Spectroscopy
100

What is the molarity of 56.0 g NaCl in a 2.00 L solution?

0.48 M

100

A solution has a molarity of 2.00. How many milliliters are needed to make 200 mL of 1.50 M?

150 mL

100

How many nanometers are in a meter?

10^9 nanometers

100

Do polar or nonpolar solution components travel farther up a nonpolar stationary phase?

Nonpolar

100

What type of radiation has a wavelength of 1000 nm?

Infrared

200

What is the molarity of 9.34 g CO2 in a 550.0 mL solution?

0.39 M

200

What volume of 2.00 M NaCl is required to make 450 mL of 1.30 M solution?

293 mL

200

What is molarity equal to?

moles solute/L solution

200

A piece of filter paper with a pigment sample is dipped into Hexane. The pigment sample separates. Blue can be seen further up the paper than red. Which of the colors are polar?

Red is more polar than blue.

200

Are wavelength and frequency directly related?

No, they are indirectly related.

300

How many moles of NaOH are in 6.00 L of a 3.30 M solution?

19.8 moles NaOH

300

What is the molarity of 600 mL of 2.00 M KNO3- after 500 mL are added?

1.09 M

300

How is dilution calculated? 

M1V1 = M2V2

300

Should the ink spot be placed above or below the solution on the filter paper as to avoid improper ink dispersion?

Above the solution.

300

A wavelength is 675 nm. What is the frequency of the radiation?

4.44 x 10^14 Hz

400

How many grams of KCl are in 300.0 mL of a 5.00 M solution?

112 g KCl

400

What is the molarity of 450 mL of 3.23 M CuSO4 after 100 mL are added?

2.64 M

400

What is the variable "c" equal to?

3.0 x 10^8 m/s

400

In what type of molecule would NaCl not dissolve?

A nonpolar molecule.

400

What is the energy of a photon with a wavelength of 1400 nm?

8.54 x 10^4 J

500

How many grams of MgO2 are in 670.0 mL of a 4.20 M solution?

158 g MgO2

500

You need to make 30.0 L of 2.8 M NaCl. What would the molarity be if only 16.0 L were used?

5.25 M

500

What is Planck's constant?

6.63 x 10^-34 J(s)

500

Is CH4 able to dissolve in water?

No, since CH4 isn't polar

500

What is the Δ E for the n=3 to the n=2 transition in Hydrogen?

-3.03 x 10^-19 J

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