The first most obvious thing to note is when naming transitional metals, you have to state its charge with roman numerals (except for 1 if I remember correctly). For example, Iron (lll), iron has a charge of 3.
In order to change celcius to kelvin always add 73 to it leaving you with -195.93
Pure water is called distilled water or deionized water.
The correct answer to your question is B,, make the solute particles smaller.
let me know if you have any further questions
:)
