Ответ:
ω (C в C6H2Br3OH) = N (C в C6H2Br3OH) * Ar (C) * 100% / Mr (C6H2Br3OH) = 6 * 12 * 100% / 331 = 21,75%;
ω (C в C6H5Br) = N (C в C6H5Br) * Ar (C) * 100% / Mr (C6H5Br) = 6 * 12 * 100% / 157 = 45,86%;
ω (C в C2H5OH) = N (C в C2H5OH) * Ar (C) * 100% / Mr (C2H5OH) = 2 * 12 * 100% / 46 = 52,17%.
Объяснение:
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Ответ:
ω (C в C6H2Br3OH) = N (C в C6H2Br3OH) * Ar (C) * 100% / Mr (C6H2Br3OH) = 6 * 12 * 100% / 331 = 21,75%;
ω (C в C6H5Br) = N (C в C6H5Br) * Ar (C) * 100% / Mr (C6H5Br) = 6 * 12 * 100% / 157 = 45,86%;
ω (C в C2H5OH) = N (C в C2H5OH) * Ar (C) * 100% / Mr (C2H5OH) = 2 * 12 * 100% / 46 = 52,17%.
Объяснение: