MrSnuffleBuns6592 MrSnuffleBuns6592

26-03-2024
Chemistry

contestada

In a 36.0 g sample of an iron oxide (Fe₂O₃) compound containing 28 g of Fe, what is the % by mass of each element (Fe and O) in this compound?
a) Fe: 77.8%, O: 22.2%
b) Fe: 28.0%, O: 72.0%
c) Fe: 50.0%, O: 50.0%
d) Fe: 80.0%, O: 20.0%

Respuesta :

Otras preguntas

What colors are the organelles in a animal cell.? Thx

which is greater, 3/4 or 11/16? how can you be sure?

What is an equivalent fraction for 15/35

What entertainment kept the masses satisfied?

describe and correct the error in solving this equation -2(7-y)+4=-4 -14-2y+4=-4 -10-2y=-4 -2y=6 y=-3 please show work I don't know how to get the answer

write an expression with (-1) as its base that will produce a positive product.

What did the Federalists want the Constitution to provide?

Does anyone now those 2 questions

what is the quantity 9 more than a number

How do you find the constants a and b such that the function is continuous on the entire real line for f(x)={x^3, x≤2 and ax^2, x>2