Molality is a measure of concentration that relates the moles of solute to the kilograms of solvent, it is described by the following equation:
We are given the molality(2.50m) and kilograms of solvent(0.500kg), so we solve for moles of solute from the equation:
To make a 2.50molal NaOH solution would be needed 1.25moles of solute
Answer: 1.25 moles
The *independent* variable is the one that you always can control. However, the dependent variables are not since they **depend** on another.
The Answer You Are Looking For Is.......
b) 3
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Two types of stoichiometry are; molar mass and coefficients from balanced equation.
The Octet rule is a general rule of thumb that applies to most atoms. Basically, it states that every atom wants to have eight valence electrons in its outermost electron shell.
