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  • 21時間前 -Palestine officially the State of Palestine (دولة فلسطين, Dawlat Filasṭīn), is a country in the southern Levant region of West Asia.

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    21時間前 -Save the Children believe in a world in which all children survive, have the chance to learn, and are protected from abuse, neglect and exploitation.

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    4時間前 -Validate your HR expertise with a SHRM-CP, a certification for individuals performing HR duties or pursuing a career in human resources.

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    Supply crate-Hosidius blueprints-Carpenter's outfit-Plank sack

    A.pH≒(pKa - logC)/2 は弱酸水溶液のpHを求める近似式、pH≒(pKa1 + pKa2)/2 は両性電解質水溶液のpHを求める近似式です。 フタル酸を「H2A」と表して、10cm^3

    A.提示されているタイプの物質(トリフェニルメチルカチオンとかトリチルカチオンとか言う)は、比較的普通に出てくる物質であって、特段珍しくありません。 実際の実験では、十分な強酸にさらせば可能ですが、...

    A.環境省の『平成24年度酸性雨調査結果について』の単位:μmolです μmolは溶液1 L中の溶質をそのモル数を使って表したもので、言えば水に含まれるいろんな物質の量をを表示するもので言えば水の汚れ