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<p>[QUOTE=&quot;-jeffB, post: 1932822, member: 27832&quot;]Please take a little more care when you throw around the term &quot;uneducated&quot;.</p><p><br /></p><p>One mole of nitric acid is 63 grams; at the standard 70% concentration, that&#039;s about 100 ml -- say, 5 moles per pint.</p><p><br /></p><p>One mole of silver is 108 grams, or about 3.5 troy ounces.</p><p><br /></p><p>If you&#039;re generating NO2 from the reaction, and it&#039;s hard to miss when that&#039;s happening, then you&#039;re using two moles of HNO3 for every mole of silver.</p><p><br /></p><p>Ag + 2 HNO3 (concentrated) -&gt; AgNO3 + H2O + NO2 (g)</p><p><br /></p><p>That means your pint of nitric acid would dissolve at most 8 or 9 troy ounces of actual silver weight (in other words, the silver you get out after purification) -- and that&#039;s assuming you have no excess of nitric acid, and none of the silver&#039;s contaminants react with the nitric acid, both fairly questionable assumptions.</p><p><br /></p><p>Now, which of your numbers would you like to correct?[/QUOTE]</p><p><br /></p>

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