What do you want to do this weekend?

1. I want to chat with foreigners in chat rooms. I also want to take a bath.

2. I want to visit my uncle's in New York. I also want to play with my uncle's sons.

3. I want to exchange message on Kakao Talk. I also want to talk with my friends on the phone.

4. I want to surf the Internet. I also want to listen to music on my smartphone.

5. I want to arrange old books in my room. I also want to read some comic books.
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Would you check the expressions? Correct unnatural expressions, please. Thank you.

What do you want to do this weekend?

1. I want to chat with foreigners in chat rooms. I also want to take a bath.

2. I want to visit my uncle's in New York. I also want to play with my uncle's sons.

3. I want to exchange messages on Kakao Talk. I also want to talk with my friends on the phone.

4. I want to surf the Internet. I also want to listen to music on my smartphone.

5. I want to arrange old books in my room. I also want to read some comic books.
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Would you check the expressions? Correct unnatural expressions, please. Thank you. (An error was corrected.)

All in your corrected set of sentences are just fine! Nice! =)

yes good job

you did great

The expressions you provided are generally correct but could be improved for clarity and naturalness:

1. I want to chat with foreigners in online chat rooms. I also want to take a relaxing bath.
2. I want to visit my uncle in New York. I also want to spend time playing with my cousins.
3. I want to exchange messages on KakaoTalk. I also want to have phone conversations with my friends.
4. I want to browse the internet. I also want to listen to music on my smartphone.
5. I want to organize my old books in my room. I also want to read some comic books.

Remember to use articles such as "an," "the," or "my" before specific objects or activities for natural and accurate expressions.