What is the molality of a solution that contains 5 moles of solute in 100 kilograms of water?

Explanation:

Hello,

In this case, molality is defined as:

Whereas the mass of the solvent is given in kilograms. In such a way, for 5 moles of solute and 100 kg of water, the molality turns out:

Now it is important to notice that the molal units (m) equals mol/kg, thereby:

Best regards.

so here we go

atomic mass

239 + 1 = y + 134 + 3 combine like terms

240 = y + 137             subtract 137 from both terms

240 - 137 = y

103 = y

atomic number

94 = z +54 + 0

94 = z + 54               subtract 54 from both sides.

40 = z

answer