That is not enough information. You have not mentioned how much income your mother receives or what kind of income she receives.
IRS interview to help determine who can be claimed:
https://www.irs.gov/help/ita/who-can-i-claim-as-a-dependent
You are posting from TurboTax Live. You can arrange for the Live help you are paying the extra fee for with your questions from 5 a.m. to 9 p.m. Pacific time.
https://ttlc.intuit.com/questions/4124827-how-do-i-connect-with-a-tax-expert-in-turbotax-live
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
