How is the liquid mass density calculated?

• A. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/06/separation-processes-questions-answers-ideal-gas-ideal-solution-model-q7.png"><img alt="The liquid mass density calculated - option a" class="alignnone size-full wp-image-148542" height="30" sizes="(max-width: 101px) 100vw, 101px" src="https://www.sanfoundry.com/wp-content/uploads/2017/06/separation-processes-questions-answers-ideal-gas-ideal-solution-model-q7.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2017/06/separation-processes-questions-answers-ideal-gas-ideal-solution-model-q7.png 101w, https://www.sanfoundry.com/wp-content/uploads/2017/06/separation-processes-questions-answers-ideal-gas-ideal-solution-model-q7-100x30.png 100w" width="101"/></a>
• B. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/06/separation-processes-questions-answers-ideal-gas-ideal-solution-model-q7a.png"><img alt="The liquid mass density calculated - option b" class="alignnone size-full wp-image-148543" height="27" src="https://www.sanfoundry.com/wp-content/uploads/2017/06/separation-processes-questions-answers-ideal-gas-ideal-solution-model-q7a.png" width="99"/></a>
• C. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/06/separation-processes-questions-answers-ideal-gas-ideal-solution-model-q7b.png"><img alt="The liquid mass density calculated - option c" class="alignnone size-full wp-image-148544" height="26" src="https://www.sanfoundry.com/wp-content/uploads/2017/06/separation-processes-questions-answers-ideal-gas-ideal-solution-model-q7b.png" width="95"/></a>
• D. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/06/separation-processes-questions-answers-ideal-gas-ideal-solution-model-q7c.png"><img alt="The liquid mass density calculated - option d" class="alignnone size-full wp-image-148545" height="25" sizes="(max-width: 103px) 100vw, 103px" src="https://www.sanfoundry.com/wp-content/uploads/2017/06/separation-processes-questions-answers-ideal-gas-ideal-solution-model-q7c.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2017/06/separation-processes-questions-answers-ideal-gas-ideal-solution-model-q7c.png 103w, https://www.sanfoundry.com/wp-content/uploads/2017/06/separation-processes-questions-answers-ideal-gas-ideal-solution-model-q7c-100x25.png 100w" width="103"/></a>