55. (в4-128-25) В процессе хлорирования воды Гцелью очистки для удаления
лишнего хлора обычно используется
сульфит натрия. Составив уравнение
реакции, вычислите, сколько граммов
Na2SO3-7Н2О требуется для 0,3 г хлора.
А) 0,71 В) 1,06 C) 1,26 D) 3,55
E) 2,52​

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Me as soon as possible! me as soon as possible!

4786 joules of heat are transferred to a 89.0 gramsample of an unknown material, with an initialtemperature of 23.0°c. what is the specific heat of thematerialif the final temperature is 89.5 °c?