Дано
m (MgO) = 10 г
m (HNO3) = 40 г
Найти
m (Mg(NO3)2) =?
<em>Приветствую</em>
₊₁ ₊₅ ₋₂
KNO₃ - нитрат калия
₊₂ ₋₂ ₊₁
Fe(OH)₂ - гидрооксид железа (ll)
₊₁ ₊₅ ₋₂
Na₃PO₄ - фосфат натрия
<span><span>1Hводород<span>1s 1</span></span><span>2Heгелий<span>1s 2</span></span>II период<span>3Liлитий<span>1s 22s 1</span></span><span>4Beбериллий<span>1s 22s 2</span></span><span>5Bбор<span>1s 22s 22p 1</span></span><span>6Cуглерод<span>1s 22s 22p 2</span></span><span>7Nазот<span>1s 22s 22p 3</span></span><span>8Oкислород<span>1s 22s 22p 4</span></span><span>9Fфтор<span>1s 22s 22p 5</span></span><span>10Neнеон<span>1s 22s 22p 6</span></span>III период<span>11Naнатрий<span>1s 22s 22p 63s 1</span></span><span>12Mgмагний<span>1s 22s 22p 63s 2</span></span><span>13Alалюминий<span>1s 22s 22p 63s 23p1</span></span><span>14Siкремний<span>1s 22s 22p 63s 23p2</span></span><span>15Pфосфор<span>1s 22s 22p 63s 23p3</span></span><span>16Sсера<span>1s 22s 22p 63s 23p4</span></span><span>17Clхлор<span>1s 22s 22p 63s 23p5</span></span><span>18Arаргон<span>1s 22s 22p 63s 23p6</span></span>IV период<span>19Kкалий<span>1s 22s 22p 63s 23p64s 1</span></span><span>20Caкальций<span>1s 22s 22p 63s 23p64s 2</span></span><span>21Scскандий<span>1s 22s 22p 63s 23p64s 23d1</span></span><span>22Tiтитан<span>1s 22s 22p 63s 23p64s 23d2</span></span><span>23Vванадий<span>1s 22s 22p 63s 23p64s 23d3</span></span><span>24Crхром<span>1s 22s 22p 63s 23p64s 13d5</span></span><span>25Mnмарганец<span>1s 22s 22p 63s 23p64s 23d5</span></span><span>26Feжелезо<span>1s 22s 22p 63s 23p64s 23d6</span></span><span>27Coкобальт<span>1s 22s 22p 63s 23p64s 23d7</span></span><span>28Niникель<span>1s 22s 22p 63s 23p64s 23d8</span></span><span>29Cuмедь<span>1s 22s 22p 63s 23p64s 13d10</span></span><span>30Znцинк<span>1s 22s 22p 63s 23p64s 23d10</span></span><span>31Gaгаллий<span>1s 22s 22p 63s 23p64s 23d104p1</span></span><span>32Geгерманий<span>1s 22s 22p 63s 23p64s 23d104p2</span></span><span>33Asмышьяк<span>1s 22s 22p 63s 23p64s 23d104p3</span></span><span>34Seселен<span>1s 22s 22p 63s 23p64s 23d104p4</span></span><span>35Brбром<span>1s 22s 22p 63s 23p64s 23d104p5</span></span><span>36Krкриптон<span>1s 22s 22p 63s 23p64s 23d104p<span>6</span></span></span></span>