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motivasi belajar plus (bu etna)

Arsip Bulan September 2011

Massa Molar dan Mol

Apakah massa molar itu? Massa molar X adalah massa 1 mol X dalam gram yang besarnya sama dengan Ar/Mrnya. Ar jika X berupa unsur logam atau gas mulia. Mr ditujukan untuk molekul unsur ...

Tatanama Senyawa Molekul

Tatanama senyawa dibedakan berdasarkan jenis ikatannya. Senyawa molekul yang memiliki ikatan kovalen tatanamanya berbeda dengan denyawa ion yang memiliki ikatan ion. Senyawa molekul biner adalah senyawa yang terdiri atas 2 atom unsur non logam berbeda. Tatanama senyawa ini adalah nama unsur I diikuti nama unsur kedua yang diberi akhiran -ida ...

Menghitung massa molekul/rumus relatif

Massa molekul relatif atau massa rumus relatif, Mr merupakan massa tiap molekul senyawa kovalen atau massa gabungan ion dari senyawa ion yang dibandingkan dengan 1/12 massa 1 atom karbon ...

Kelimpahan Isotop

Setiap unsur atom-atomnya memiliki massa yang berbeda. Unsur yang sama ...

Soal Uraian Sel Elektrolisis

Kerjakan soal-soal berikut,

  1. Pada elektrolisis leburan garam dapur NaCl dengan elektroda Pt ...
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