Gold Test Stone 6 X 3 Popular Q&A

Q: Gold has a density of 19.3 grams per cubic centimeter. How many g...
A: Mass = Volume X Density. The volume is 20.0 cm X 6.0 cm X 1.0 cm = 120 cm. 3. so the mass is 120 cm. 3. X 19.3 g/cm. 3. = 2316 grams. A rounded-off answer of. 2... Read More »

Q: How many moles of gold are in 3.6x10^-10 grams of gold?
A: 1. (4 g S) / (32.0655 g S/mol) × (6.023 × 10^23 atoms/mol) = 8 × 10^22 atoms S. 2. (3.6 × 10^10 g) / (196.9665694 g Au/mol) = 1.8 × 10^12 mol Au. Read More »

Q: How much is a gold bar worth? 6x3.5 inches bar?
A: gold is valued by weight (Troy oz) and purity. It could be a 1 oz minted bar. it may be chip gold which varies in weight from 1-20 grams. This tends to be a siz... Read More »

Q: If I have a gold tone bracelet and what looks like siver encasing...
A: That depends; is it real gold, gold plate, gold filled, brass, silver plate, platinum. are the stones diamonds, glass, CZ? Nobody can possibly tell you without ... Read More »

Q: Have just purchased a pendant which has a 5ct onyx faceted jewel ...
A: G'day Jacqueline and many thanks for your querry. Many items of jewelry made over the past few centuries have been made hollow to save weight (and reduce cost) ... Read More »

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