Approximately 1.10729 quarts.
First, you convert 2 quarts into liters by multiplying by the U.S. customary unit 0.9463529460.
Subtract your product, 1.89270589, from the available 3 liters.
You get 1.0729411 quarts remaining.
If you were using imperial quarts, you would instead multiply 2 quarts by 1.13652 and continue along the steps.
