25℃で、ある物資25gを1kgのベンゼンに溶解したとき、ベンゼンの凝固点よりも0.256K下がった。この物質の分子量を求めよ。ただし、ベンゼンのKf＝5.12K・mol^1・kgとする。 分かる方、教えて下さい🙏

25℃で、ある物資25gを1kgのベンゼンに溶解したとき、ベンゼンの凝固点よりも0.256K下がった。この物質の分子量を求めよ。ただし、ベンゼンのKf＝5.12K・mol^1・kgとする。 分かる方、教えて下さい🙏

3段落の" " 以降の和訳を教えてください。よろしくお願いします。

Japan praises British carrier dispatch and vows more security cooperation LONDON - Foreign Minister Toshimitsu Motegi and his British counterpart Dominic Raab on Monday affimed security cooperation in promoting a “"Free and Open Indo-Pacific" as China steps up assertive territorial claims in the East and South China seas. Meeting on the sidelines of a three-day gathering of Group of Seven foreign ministers in London through Wednesday, Motegi welcomed Britain's scheduled dispatch of the aircraft carrier Queen Elizabeth and its strike group to Japan and the Indo-Pacific later in the year, according to the Japanese Foreign Ministry. “The deployment of the British aircraft carrier strike group to the Indo-Pacific symbolizes Britain's commitment to the region." Motegi was quoted by the ministry as telling Raab in their first face-to-face talks since August 2020. Motegi also hailed Britain's pronouncement of proactive engagement in the Indo-Pacific in its integrated review of foreign and defense policy released in March. The two ministers shared "grave concerns" about China's unilateral attempts to change the status quo in regional waters such as the enforcement of a new security law allowing its coast guard ships to fire on foreign vessels in waters Beijing sees as its territory.

解き方がわかりません 特に途中式を教えていただきたいです

次の極限を求わよ lin Cos(x-) X-→0 X

和訳していただきたいです。よろよろしくお願いします。

LONDON - Foreign Minister Toshimitsu Motegi and his British counterpart Dominic Raab on Monday affirmed security cooperation in promoting a “Free and Open Indo-Pacific" as China steps up assertive territorial claims in the East and South China seas. Meeting on the sidelines of a three-day gathering of Group of Seven foreign ministers in London through Wednesday, Motegi welcomed Britain's scheduled dispatch of the aircrafi carrier Queen Elizabeth and its strike group to Japan and the Indo-Pacific later in the year, according to the Japanese Foreign Ministry. “The deployment of the British aircraft carrier strike group to the Indo-Pacific symbolizes Britain's commitment to the region," Motegi was quoted by the ministry as telling Raab in their first face-to-face talks since August 2020. Motegi also hailed Britain's pronouncement of proactive engagement in the Indo-Pacific in its integrated review of foreign and defense policy released in March The two ministers shared "grave concerns" about China's unilateral attempts to change the status quo in regional waters such as the enforcement of a new security law allowing its coast guard ships to fire on foreign vessels in waters Beijing sees as its territory.

1番の｢fがIからIへの写像を与える｣の意味が分かりません。あと答えもお願いします

【例題1】 a, bを実数とし,f(z) = a? + az+bとする。0<a\1をみたす実数 α全体の集合をIとする。 (1) 「がIからIへの写像を与えるための, a, bについての条件を求めよ。 (2) とくに子がIからIへの1対1の写像であるのは,どのような場合か。

1番の｢fがIからIへの写像を与える｣の意味が分かりません。あと答えもお願いします

【例題1】 a, bを実数とし,f(z) = a? + az+bとする。0<a\1をみたす実数 α全体の集合をIとする。 (1) 「がIからIへの写像を与えるための, a, bについての条件を求めよ。 (2) とくに子がIからIへの1対1の写像であるのは,どのような場合か。

縮退した軌道に複数の電子が入るとき、( )に従い( )を平行にして異なる軌道から先に入る。 分かる方、教えて下さい🙏

密度0.90(g/cm^3)の34%アンモニア水のモル濃度を求めよ。 分かる方、教えて下さい🙏

密度0.90(g/cm^3)の34%アンモニア水のモル濃度を求めよ。 分かる方、教えて下さい🙏