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Складіть 5 тест-кейсів для тестування автоматизованої системи продажу квитків у кінотеатр через Інтернет в TestRail, зробіть TestRun
What is the pH of a buffer solution prepared by dissolving 0.20 mol of NaC2H3O2 and 0.10 mol of HC2H3O2 in enough water to give 1.00 L of solution? Ka for CH3COOH = 1.8 x 10-5.
When a Celsius temperature changes 30 degrees, then, the Fahrenheit will change these many degrees:
A student prepared a 0.10 M acetic acid solution and measured its pH to be 2.88. Calculate Ka for HC2H3O2
What is the total number of orbitals associated with the principle quantum number n = 1?
Calculate the pH of an aqueous solution of 0.044 mol H2SO4 in 200 mL of solution.
Which one has the highest oxidation state on the central atom?