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Calculate [OH -] and pH for each of the following solutions.



(a) 0.0034 M RbOH

[OH-] =_________ M pH = _________



(b) 0.0872 g of KOH in 510.0 mL of solution

[OH -] =__________ M pH = __________



(c) 79.8 mL of 0.00719 M Sr(OH)2 diluted to 900 mL

[OH -] = __________ M pH = ____________



(d) A solution formed by mixing 64.0 mL of 0.000880 M Sr(OH)2 with 36.0 mL of 2.6 x 10-3 M RbOH

[OH -] = ________M pH =__________

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