Question

If 250ml of Ba(OH)2 is unknown concerntration with methyl red indicator present is tritrated with [0.325M]HNO3, the yellow solution turns red after 36.4 ml of the HNO3 is added. What is the molarity of Ba(OH)2
Write and balance the equation.
Calculate moles HNO3. moles = M x L.
Convert moles HNO3 to moles Ba(OH)2 using the coefficients in the balanced equation. Finally, use M = moles/L to calculate molarity.

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