This question may only be ansewered by frequent mattrrs
In the context of chemistry, yes. Energy input is always equal to the energy output.
D there is one kind of cell of which all living things are made
Explanation:
firstly find for the molar mass of kcl and molar mass of k
and then
molar mass of k = x
molar mass of kcl= 40
cross mutiply and then simplify you will get your answer
