<span>This reaction produces carbon dioxide. Platinum is used in the catalytic converter in some automobiles. The main objective of a catalyst is to act as a substance that speeds up a reaction. However, it is imperative that it does this without being consumed in the reaction.</span>
Answer:
(a) 0.575 m;
(b) 0.527 m
Explanation:
Let's use the freezing point depression law in each of these cases.
(a) According to the law:
Rearrange the equation for molality, b:
NaCl is an ionic substance, 1 mole of it dissociates into 2 moles of ions, sodium ion and chloride ion, this means the van 't Hoff factor i = 2.
Here:
is the initial freezing point of water,
is the final freezing point of water.
For water:
Applying the equation
(b) Applying the same equation for the same salt and the same conditions, except a new freezing point, we would expect to obtain:
Answer:
No
Explanation:
For example sugar is soluable ...It dissolves
Unlike sugar pepper is insoluable...it doesnt dissolve
hope this helps :)