Courtney’s in minerals can vary due to impurities but is usually diagnostic we determine the relative hardness of minerals using a scale diversity bye mineralogists Freidrich Mohs The scale assigned hardness Tuten common index minerals and is based up on the ability of one mineral to scratch another
Using this equation, we can take 25/(1.0 + 19) and find that it is equal to 1.25 moles.
I believe c is the right answer.
Answer:
This is and ADDITION REACTION
Explanation:
Because your putting a compound and an element together