Quote by bael
Hello, I am a first year student majoring in chemistry. I really like it and I'm very interested in the subject, but I am worried about my math skills. I am taking calculus 0 right now and I really struggled on my first exam. What kind of math is in the upperlevel chemistry courses? Right now we're just doing stoichiometry so it's very simple, but I'm worried about how advanced the math will get. As a chemistry major, will I eventually be doing calculus in my chemistry courses? What kind of math will I need to know? And if someone has taken upper level chem courses, could you tell me what the work is like?

Read the college and university catalogs and they will tell you. Just be aware, they tell you only what is required in an official, bureaucratic sense. You may need more, depending on what you want to elect as options and what you want to do when you take a job.
One year of singlevariable Calculus, and one semester of multivariable Calculus; a semester course if available on Linear Algebra; and maybe an additional course about Differential Equations or Finite Math, and you might benefit very much from at least an Elementary Statistics course.
What you might find in the catalogs is the requirement of 1 year singlevariable Calculus, 1 semester multivar Calculus, and a combined course Introductory Differential Equations + Linear Algebra. My opinion is that is not really enough.