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Calculate the volume of ~2.5 M NaOH solution needed to prepare 200 mL (2 significant figures) of a ~0.040 M NaOH solution.

Calculate the mass of solid sodium hydroxide needed to prepare 200 mL of a 0.040 M solution. If one pellet of sodium hydroxide weighs 0.170 g, how many pellets should be dissolved?

Write a balanced equation for the neutralization of potassium hydrogen phthalate (C8H5O4K) with sodium hydroxide. Calculate the mass of potassium hydrogen phthalate that neutralizes 15 mL of an ~0.040 M NaOH solution.

Draw a structural representation of KHP that shows all atoms.

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