kak tolong

<p>1. CO&nbsp;</p><p>&nbsp; &nbsp; &nbsp;1 x Ar C : 1 x Ar O&nbsp;</p><p>&nbsp; &nbsp; &nbsp; 1 x 12 : 1 x 16&nbsp;</p><p>&nbsp; &nbsp; &nbsp; 12 : 16&nbsp;</p><p>&nbsp; &nbsp; &nbsp; 3 : 4&nbsp;</p><p>&nbsp; &nbsp; &nbsp;Perbandingan unsur C dan O dalam senyawa CO adalah 3 : 4&nbsp;</p><p>&nbsp;</p><p>2. SO₂</p><p>&nbsp; &nbsp; &nbsp;1 x Ar S : 2 x Ar O&nbsp;</p><p>&nbsp; &nbsp; &nbsp;1 x 32 : 2 x 16&nbsp;</p><p>&nbsp; &nbsp; &nbsp;32 : 32&nbsp;</p><p>&nbsp; &nbsp; &nbsp; 1 : 1&nbsp;</p><p>&nbsp; &nbsp; &nbsp; Perbandingan unsur S dan O dalam senyawa SO₂ adalah 1 : 1</p><p>&nbsp;</p><p>3. NH₃</p><p>&nbsp; &nbsp; &nbsp;1 x Ar N : 3 x Ar H&nbsp;</p><p>&nbsp; &nbsp; &nbsp;1 x 14 : 3 x 1&nbsp;</p><p>&nbsp; &nbsp; &nbsp; 14 : 3&nbsp;</p><p>&nbsp; &nbsp; &nbsp;Perbandingan unsur N dan H dalam senyawa NH₃ adalah 14 : 3</p><p>&nbsp;</p><p>&nbsp;</p><p>4. NO₂</p><p>&nbsp; &nbsp; &nbsp;1 x Ar N : 2 x Ar O&nbsp;</p><p>&nbsp; &nbsp; &nbsp;1 x 14 : 2 x 16&nbsp;</p><p>&nbsp; &nbsp; &nbsp;14 : 32&nbsp;</p><p>&nbsp; &nbsp; &nbsp;7 : 16&nbsp;</p><p>&nbsp; &nbsp; &nbsp;Perbandingan unsur N dan O dalam senyawa NO₂ adalah 7 : 16</p><p>&nbsp;</p><p>5. NO</p><p>&nbsp; &nbsp; 1 x Ar N : 1 x Ar O&nbsp;</p><p>&nbsp; &nbsp; &nbsp;1 x 14 : 1 x 16&nbsp;</p><p>&nbsp; &nbsp; &nbsp;14 : 16&nbsp;</p><p>&nbsp; &nbsp; &nbsp;7 : 8&nbsp;</p><p>&nbsp; &nbsp; &nbsp;Perbandingan unsur N dan O dalam senyawa NO adalah 7 : 8&nbsp;</p>