215.8 g Ag x 1 mol Ag/196.9 = 1.096 moles Ag32.1 g S x 1 mol S/32 g = 1 moles
Since Ag and S combine in a ratio of 2:1 (2 Ag to 1 S), the most Ag2S you can form is limited by moles of Ag. 1.096 moles Ag will react with 0.548 moles S ==> Ag2S. So the rest of the S will be left over and not used because there isn't enough Ag. Thus, the mass of resultant salt would be 197 g + 17.5 g = 214.5 g.
Theoretical you have247,8 g Ag2S.
Tarnish on silver is predominantly silver oxide and/or silver sulfide, both of which are insoluble in water. Magnesium, in accordance with its position in the electromotive series much higher than silver, displaces metallic silver from these compounds back onto the surface of the silverware. leaving behind oxides and/or sulfides of magnesium, which are sufficiently soluble in water to be easily washed away. This reaction is greatly facilitated if the tarnished silver and the magnesium are placed in contact with one another in an electrolyte solution in water.
Sodium sulfide is the name used to refer to the chemical compound Na2S, but more commonly it refers to the hydrate Na2S·9H2O. Both are colorless water-soluble salts that give strongly alkaline solutions. When exposed to moist air, Na2S and its hydrates emit hydrogen sulfide, which smells much like rotten eggs or flatus.
German silver would be much cheaper because it is a nickel alloy that doesn't actually contain silver. Sterling silver, on the other hand, is an alloy of 92.5% silver and 7.5% copper (usually). Silver is much more valuable than nickel.
Sterling silver is 925/1000 silver so there are at least 925 milligrams silver in a gram of Stirling Silver.
Sterling silver contains 92.5% silver, so there are 4,625 grams of silver in 5,000 grams of sterling silver.
Silver tarnish occurs when silver turns black, caused by oxidation when it is exposed to the air. Tarnish can be removed by rubbing the silver with polish and a soft cloth.
Tarnish on silver is predominantly silver oxide and/or silver sulfide, both of which are insoluble in water. Magnesium, in accordance with its position in the electromotive series much higher than silver, displaces metallic silver from these compounds back onto the surface of the silverware. leaving behind oxides and/or sulfides of magnesium, which are sufficiently soluble in water to be easily washed away. This reaction is greatly facilitated if the tarnished silver and the magnesium are placed in contact with one another in an electrolyte solution in water.
Al2S3
if i sold silver how much would i get an ounce how much is silver an ounce
Sodium sulfide is the name used to refer to the chemical compound Na2S, but more commonly it refers to the hydrate Na2S·9H2O. Both are colorless water-soluble salts that give strongly alkaline solutions. When exposed to moist air, Na2S and its hydrates emit hydrogen sulfide, which smells much like rotten eggs or flatus.
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This is not true. The sulfide ion is a stronger base than the nitrate ion. This is because nitrogen and oxygen are very electronegative, This creates a stable anion with very little affinity for hydrogen ions. Sulfur is much less electronegative and so the sulfide ion is less stable. So it has a much higher affinity of a hydrogen ion.
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Old silver dollars range wildly in price from spot (the published value of silver any given day) to over $10,000, or more, is they are in excellent or "Proof" condition. A newly-minted, pristine American Silver Eagle that costs about 9% over spot. A bag of 90% silver coins can be had for 1% under spot. If you buy the bags, you can get 10% more silver! You can purchase 'junk silver' bags very easily online from Deadwood Gold.
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