Calculate the pH at 25°C of a 0.76 M aqueous solution of a weak base B with a Kb of 1.3 × 10−4.

warm front forms when a moist, warm air mass slides up and over a cold air mass. as the warm air mass rises, it condenses into a broad area of clouds. a warm front brings gentle rain or light snow, followed by warmer, milder weather.

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