yes
even 2 or more.
The 750 hallmark means that it is a 75% pure gold bracelet. In other words you have 7.5 grams of pure gold. As of July 3rd the price of gold is about $1100 per Troy Ounce. A Troy Ounce is 31.1 grams. So 1100/ 31.1 * 7.5 = about $265
10
10K gold is 41.7% pure gold. So 55.2 grams contains 23 grams. At the current price of gold at about $33 per gram you have about $759 worth of gold.
More than 4
1 millilitre is 1 gram, therefore 10 grams is 10 millilitres.
A bracelet extender increases the size of a bracelet whilst being made in the same style as the original bracelet so it can merge with the bracelet to make it bigger or longer.
You can use wirework or some kind of clay(to make a cuff bracelet).
400
depends on the weight of the bracelet, and the workmanship. Heavier bracelet= more gold= more money.
You iron the bracelet once finished. that should make it lie flat.
To make a 10% sugar solution you need to dissolve 10 grams of sugar and bring the volume up to 100 ml
If the bracelet is 15g gold and 5g silver, then the gold content is 15/20 or 75%. Pure gold is 24 carat, so 75% is 18 carat.