Please translate these sentences into Italian:

1. I'd like to buy some chocolate.

2. What do you mean you don't have any peanut butter?
[should sound incredulous]

Hi Caitlinm,

I am not enitrely proficient in Italian, but maybe this helps?

1. Vorrei comprare della cioccolata.

2a. Che vuole dire, non avete del burro di arachide? [talking to a store person]
2b. Che voi dire, non hai del burro di arachide? [talking to a colleague]

Friendly greetings,

   Philip Lynx

This looks good to me; you can go ahead and post it as the official
answer.  (Is there a way to accept a comment as the answer? I couldn't
figure it out.)