Correct

溶质

/ róngzhì /
Strokes

Definition

dissolved substance/material in solution

Example

As a Noun

solute

1
shíyán
食盐
róngjiě
溶解
shuǐzhōng
水中
shí
  
,
shuǐ
shì
róng
溶剂
  
,
shíyán
食盐
shì
róngzhì
溶质
  

When salt is being dissolved in water, water is the solvent and salt is the solute.