My dog ate chocolate! nd has been throwing up!?

ok she ate like mexican chocolate like for coco or wtvr and it was like 2 triangles shes been throwing up and her mouth smells nasty she seems allright her pulse or wtvr is liike 150 bpm shes only around 8 months old and she weighs around 10 pounds i tried to take the chocolate away from her but she liike chugged it down without chewing nd she threw up liike a nasty pile of idk what soo yeah cant go to the vet til later but what do i do riight nowSSS