Answer:
the iron alone was dark brown and rectangular, whereas the iron-sulfur combination was a dark gray powder.
Explanation:
i hope it helps :) but I answered your questions 2X hehe
Answer:
Diazonium salts are a group of organic compounds that share a certain or you can say a unique common R-NH2+X– a group of functions.
Answer:
12.8 moles of potassium
Explanation:
449 g/39.10 g = 12.76 moles
First, you divide 449 g of potassium by its molar mass which is 39.10 g. Then you will get your answer, but you need to round it to 3 numbers because of Sig Figs, which makes it 12.8 moles.
