Final answer:
The mass of the substance is 20.72 g.
Step-by-step explanation:
To calculate the mass of a substance, you can use the formula: mass = density x volume.
Given density = 5.6 g/mL and volume = 3.7 ml, you can substitute these values into the formula to find the mass:
mass = 5.6 g/mL x 3.7 ml = 20.72 g.
Learn more about Mass calculation