Question

2moles of substance added to 144g of water then mole fraction of substance

Answer 1

Moles and mole fraction

This number (currently established as 6.022 140 82 ˣ 1023 ˣ mol-1 [2395]) is known as the Avogadro number (see the portrait of Avogadro, above right). Thus, one mole of standard ( VSMOW ) water is 18.015 265 g of the water.