180 Doodle Quilting Designs: Free-Motion Ideas for Blocks, Borders, and Beyond

180 Doodle Quilting Designs: Free-Motion Ideas for Blocks, Borders, and Beyond

Kimia Tentukan bilangan oksidasi yg dicetak miring​

Tentukan bilangan oksidasi yg dicetak miring​

Jawaban:

Biloks nh4+ = (biloks N) + (4 biloks H)

+1 = biloks N + (4 . +1)

+1 = biloks N + 4

biloks N = +4 -1

= +3

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