In an experiment to determine the percentage of water in a soil sample, the following data were obtained: \n Mass of crucible = X₁g \n Mass of crucible and soil = X₂g \n Mass of crucible and soil after heating = X₃g \n What is the amount of soil water?

• A.(X₃ - X₂)g
• B.(X₂ - X₃)g
• C.(X₃ - X₁)g
• D.(X₂ - X₁)g