Answer: The mass of the solid will be 2.69 grams.
Explanation: 
Density is defined as the mass contained per unit volume. 
 
 
Given : 
Density of solid = 

Mass of solid = ?grams 
Volume of water displaced = 1.05 ml
Putting in the values we get: 
 
 

Thus the mass of solid is 2.69 grams.