Answer: Thats pretty easy.....Its C.
Explanation:
Look at it like this, so 3.5g of NaCI is added to 100 mL of water right? So then you know that solvent is the substance that the solute was dissolved in. So now what does solute mean and what is the solute?
Solute: In such a mixture, a solute is a substance dissolved in another substance, known as a solvent.
In this case, the solute is the salt because it was being dissolved in the water.
Hope this helps!
