The gold coin
The gold coin contains 900 permille of pure gold. The coin weighs 950g. How much permille is gold? How many grams are gold?
Correct answer:

Tips for related online calculators
Our permille calculator will help you quickly calculate various typical tasks with permilles.
You need to know the following knowledge to solve this word math problem:
Units of physical quantities:
Grade of the word problem:
Related math problems and questions:
- Gold coin
The gold coin contains 962 permille pure gold, which is 7.5 g. What is the weight of the coin in grams?
- The silver
The silver ring weighs 10 grams. The ring contains 850 per mille of pure silver. Calculate the amount of pure silver in grams.
- Uranium ore
Uranium ore contains 0.2% pure uranium, and pure uranium includes 0.07% fissile uranium. How many grams of fissile uranium has 2800 ton of uranium ore?
- Kilometer 2864
One cubic decimeter of seawater contains 0.000 000 01 grams of gold. How many kilograms of gold is in one cubic kilometer of seawater?
- Resulting 4757
How many grams of pure silver and 0.770 silver must be melted so that the resulting alloy weighs 2576 g and has a quality of 0.93 / pure silver has the first quality?
- Weighs 81870
The ring weighs 28g and has a volume of 2cm³ to find out if it is made of pure gold.
- Spirulina 74164
Spirulina seaweed contains 55% protein per 100 grams, i.e., 55 grams of protein. How many grams of protein are in 200 grams of spirulina?