Depends on how you separate it
Iron (II)
sulfate also known as ferrous sulphate. Its chemical formula is FeSO₄, and
formula weight is the sum of the atomic weights of all atoms that
are present in a given chemical formula.
Molar mass of Fe is 55.8450
g/mol
Molar mass of S
= 32.065 g/mol
Molar mass of
oxygen = 15.999 g/mol
Now add the
masses according to formula:
<span>55.8450 + 32.065
+ 4(15.999) = 151.96 is the formula weight of FeSO</span>₄
The graph will begin at 20 °C and have temperature on the y-axis and time on the x-axis. The line will be a downwards sloping one, until the value of temperature of the graph reaches 0 °C. There, it will become horizontal for a small amount of time, and then continue to slope downwards until the graph reaches -20 <span>°C.
The horizontal region is where the freezing of water will take place, and there is no temperature change that occurs when a state change is taking place. This is because the energy involved then is latent energy.</span>
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