Warning: fopen(/var/www/storage/cache/cache.catalog.language.1766947151): failed to open stream: No space left on device in /var/www/opencart/system/library/cache/file.php on line 49Warning: flock() expects parameter 1 to be resource, bool given in /var/www/opencart/system/library/cache/file.php on line 51Warning: fwrite() expects parameter 1 to be resource, bool given in /var/www/opencart/system/library/cache/file.php on line 53Warning: fflush() expects parameter 1 to be resource, bool given in /var/www/opencart/system/library/cache/file.php on line 55Warning: flock() expects parameter 1 to be resource, bool given in /var/www/opencart/system/library/cache/file.php on line 57Warning: fclose() expects parameter 1 to be resource, bool given in /var/www/opencart/system/library/cache/file.php on line 59Warning: imagewebp(/var/www/opencart/image/cache/catalog/products/3810909-11-reshenie-zadachi-po-himii-001-174-1-910x1155.webp): failed to open stream: No space left on device in /var/www/opencart/system/library/image.php on line 127Warning: imagewebp(/var/www/opencart/image/cache/catalog/products/3810909-11-reshenie-zadachi-po-himii-001-174-1-130x165.webp): failed to open stream: No space left on device in /var/www/opencart/system/library/image.php on line 127Warning: imagewebp(/var/www/opencart/image/cache/catalog/products/3810909-11-reshenie-zadachi-po-himii-001-174-1-406x516.webp): failed to open stream: No space left on device in /var/www/opencart/system/library/image.php on line 127Warning: fopen(/var/www/storage/cache/cache.catalog.language.1766947152): failed to open stream: No space left on device in /var/www/opencart/system/library/cache/file.php on line 49Warning: flock() expects parameter 1 to be resource, bool given in /var/www/opencart/system/library/cache/file.php on line 51Warning: fwrite() expects parameter 1 to be resource, bool given in /var/www/opencart/system/library/cache/file.php on line 53Warning: fflush() expects parameter 1 to be resource, bool given in /var/www/opencart/system/library/cache/file.php on line 55Warning: flock() expects parameter 1 to be resource, bool given in /var/www/opencart/system/library/cache/file.php on line 57Warning: fclose() expects parameter 1 to be resource, bool given in /var/www/opencart/system/library/cache/file.php on line 5911. Решение задачи по химии 001 174
8. Вычислите массу (в граммах) иодид-ионов в 668,6 л насыщенного раствора PbF2, если Ks(PbF2)=1,6*10-11 (атомная масса ионов фтора 19,0 г/моль, а 3√4=1,59). Ответ дайте с точностью до четырех значащих цифр.
