Answer:
about half the mass of our sun
Step-by-step explanation:
white dwarfs form from the death of yellow dwarfs like our sun, the other half of the mass is ejected into space forming a stunning planetary nebula. a teaspoon of a white dwarf, is about the same mass as a car. white dwarfs are basically a large percentage of the mass of our sun, squeezed into something barely larger than earth.