Question 884398
You were expected to assume the same density as if water, and you have the given volume of 2 liters, and you have the known density 1 kilogram/liter.  So you can recognize the answer.  .... BUT you want POUNDS.


1 kilogram =1000 grams
1 pound = 453.59 grams, approximately and very near


Can you setup the conversion using that?