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Author Question: The Ka for formic acid (HCO2H) is 1.8 10-4. What is the pH of a 0.20 M aqueous solution of sodium ... (Read 120 times) |
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Medication errors are three times higher among children and infants than with adults.
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The average adult has about 21 square feet of skin.