I think that the question here is: which one is the control for the experiment?
The answer is the load of dishes with only warm water. A control condition in an experiment helps compare the influence of the variable that we're focusing on to the state without this influence.
119 (atomic mass)- 50 protons= 69 neutrons
0.0005411
0.00054 is the real answer
you use the one with the least significant figures as the reference of how many to use.
101 three sig figs
001 one sig figs as well as 0.001
9.000 four sig figs
The total mass of magnesium chloride is 95.21g/mol
The mass of chlorine is 35.45g/mol
To find the mass percent of chlorine, divide its molar mass by the total mass of the substance and multiply the result by 100:
(35.45/95.21)(100)= 37.2%
