molarity = moles/L
moles = g/molar mass
So 25 g NaOH is how many moles?
You place that in 150 mL water (0.150L) and the molarity is what?
Then (NaOH) = OH^-. Convert that to pOH, then to pH.
to clean a clogged drain, 26 g of sodium hydroxide is added to water to make 150 ml of solution what are the pH and pOH values for the solution?
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