Final answer:
The concentration of a solution, when 5.00g of solid sodium hydroxide is dissolved in a flask with 100 cm³ of solution, is calculated by determining the molarity, which results in a concentration of 1.25 M NaOH.
Step-by-step explanation:
The concentration of a solution indicates how much solute is present in a given volume of solvent. It's often expressed in terms like molarity, which is the number of moles of solute per liter of solution. Sodium Hydroxide (NaOH) has a molar mass of approximately 40 g/mol, so 5g would correspond to 0.125 moles. In this case, when the NaOH is dissolved in 100 cm³ (or 0.1 L) of solution, we find that the molarity is 0.125 moles/0.1 L = 1.25 M. Therefore, the concentration of the solution is 1.25 M NaOH. The concentration of a solution, when 5.00g of solid sodium hydroxide is dissolved in a flask with 100 cm³ of solution, is calculated by determining the molarity, which results in a concentration of 1.25 M NaOH.
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