Answer; 1.6 kg. Solution; The density is 1.36 g/ml;
The volume is 1.25 qt However; 1 qt = 946.35 ml
Mass is given by; density × volume; = 1.25 qts × 946.25 ml/qt × 1.36 g/ml =1609 g but; 1 kg = 1000 g Hence the mass = 1609/1000 = 1.609 Kg or 1.61 (sig figs)