Question

After the successful operation of the kidney stone in a hospital, the doctor determined the mass of kidney stone to be 0.250 g in the air. When the kidney stone was dipped into water, its mass was determined to be 0.238 g. What is the density of the kidney stone? (Take care of sig. figs.)

a. 20.83 g/mL

b. 21.83 g/mL

c. 20.8 g/mL

d. 21.8 g/mL

e. 19.83 g/mL

Answer 1