1- If you add 50 mL of water to 350 mL of a 0.8M NaCl solution, what is the concentration of the diluted solution? Use C1V1=C2V2 to solve.

2-Fill in the FINAL dilution ratios in regards to the stock. The total volume for each dilution is 180 LaTeX: \mu Lμ L.

Dilution 1: 1:

Dilution 2: 1:

Dilution 3: 1:

Dilution 4: 1:

Dilution 5: 1:

You are given an electron micrograph of a bacterial cell. in the micrograph you can clearly see three thin layers of different densities surrounding the cell. based on the micrograph, you can infer that this cell is and would appear after application of the gram stain procedure. gram-negative / pink gram-positive / purple gram-positive / pink gram-negative / purple