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<!DOCTYPE html>
<html lang="da">
<!--#include virtual="/include/head.shtml"-->
<head>
<script src="https://polyfill.io/v3/polyfill.min.js?features=es6"></script>
<script id="MathJax-script" async src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script>
</head>
<body>
<!--#include virtual="/include/pghdr.shtml"-->
<div class="content">
<p class="pageTitle">Leksikon<sub> Kemi</sub></p>
<div class="section" id="measures-and-units">
<p class="large">Mål og Enheder</p>
<table>
<tr>
<th>Mål</th>
<th>Symbol<sub> af mål</sub></th>
<th>Enhed</th>
<th>Symbol<sub> af enhed</sub></th>
</tr>
<tr class="small">
<th colspan="4">Grundlæggende Mål</th>
</tr>
<tr>
<td>stofmængde</td>
<td class="math">\(n\)</td>
<td>mol</td>
<td class="math">\(mol\)</td>
</tr>
<tr class="small">
<th colspan="4">Afledte Mål</th>
</tr>
<tr>
<td>molar masse</td>
<td class="math">\(M\)</td>
<td>kilogram pr. mol</td>
<td class="math">\(\frac{kg}{mol}\)</td>
</tr>
</table>
<p class="graphicText">Evt. se <a href="/html/encyclopedia/physics.html#measures-and-units">fysikkens enheder</a>.</p>
<p>Yderligere mål:</p>
<table>
<tr>
<th>Mål</th>
<th>Symbol</th>
<th>Afledt af</th>
</tr>
<tr>
<td>atom masse</td>
<td class="math">\(A_r\)</td>
<td>masse</td>
</tr>
</table>
</div>
<div class="section" id="formulas">
<p class="large">Formler</p>
<p class="math">\(A_r = \frac{M}{M_u}\)</p>
<br />
<p class="math">\(m = Mn\)</p>
<br />
<p class="math">\(M = A_rM_u\)</p>
<p class="math">\(M = \frac{m}{n}\)</p>
<br />
<p class="math">\(n = \frac{m}{M}\)</p>
</div>
<div class="section" id="constants">
<p class="large">Konstanter</p>
<table>
<tr>
<th>Navn</th>
<th>Symbol</th>
</tr>
<tr>
<td>molar masse konstanten</td>
<td class="math">\(M_u\)</td>
</tr>
<tr>
<td>atom masse konstanten</td>
<td class="math">\(m_u\)</td>
</tr>
<tr>
<td>Avagadros konstant</td>
<td class="math">\(N_A\)</td>
</tr>
</table>
<p class="math">\(M_u = m_uN_a \approx \frac{999\ 999\ 999\ 65}{10 ^ {14}}\ \frac{kg}{mol}\)</p>
<p class="math">\(m_u = \frac{m(_6 ^ {12}C)}{12} \approx \frac{16\ 605\ 390\ 666}{10 ^ {37}}\ kg\)</p>
<p class="math">\(N_A = 602\ 214\ 076 \cdot 10 ^ {15}\ mol ^ {-1}\)</p>
</div>
</div>
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</body>
</html>
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