The rest also appears to be correct.
The dilution factor is pretty simple. You can simply think like this:
Yes, C1V1 = C2V2 is the equation that you can use. You can also think like this: "I have a 0.66 M solution. I need a 0.1 M solution." The dilution factor is, therefor, 0.66 / 0.1 = 6.6. So, dilute it 1-to-6.6. (If you had a 660 mL flask, you would add 100 mL to the flask and then dilute it with another 560 mL to the flask. 660 mL volumetric flasks aren't generally available.).
Note that this is pretty hard to do. In the "real world", we usually don't use a burette to deliver to a volumetric flask. We would take an available pipette and an available volumetric flask; pipette from the original solution into the vol flask and dilute to the mark. Pipettes are typically available in 1, 5, 10, 50, 100, 500, etc mL. Volumetric flasks are available in 10, 50, 100, 500, 1000, etc. mL so you have to pick what's available.
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