As many as you want. You can post as many articles to your blog as you want, but don’t do it like spam.
As generally You can post up to five-ten articles per day on any blog. I'd say that it's probably safe to say that it depends entirely on your blog and its popularity.
Depending on the kind of posts you're writing. Even though this seems like a lot, it's not as bad as you might think.
At the same time, making sure that every article has something interesting to say will gain your readers' trust. The main thing is to remember that quality is about more than quantity.
I think it's not a problem to post more as long as you have some articles which are good enough to be published on a blog.
As long as you're writing quality, unique content on a regular basis you should feel free to post many articles per day.
