Seudónimo Seudónimo
  • 12-09-2018
  • Chemistry
contestada

AP Chemistry
How many grams of oxygen are in 28.2 g of H2SO4?

Respuesta :

znk
znk znk
  • 12-09-2018

There are 18.4 g O in 28.2 g H_2SO_4.

M_r = 2× 1.008 + 32.06 + 4×16.00 =2.016 + 32.06 + 64.00 = 98.076

∴ There are 64.00 g O in 98.076 g H_2SO_4.

Mass of O = 28.2 g H_2SO_4 × (64.00 g O/98.076 g H_2SO_4) = 18.4 g O

Answer Link

Otras preguntas

what is the least common denominator for the fractions 9/14 and 2/21
Wayne has a recipe on 3 inch by 5 inch index card that he wants to enlarge to 15 inches long. how wide will the enlargements be?
What was the basic cause of the Punic Wars?
what is the least common denominator for the fractions 9/14 and 2/21
Room temperature is usually considered to be 25°C. What is that in kelvins?
2 divided by 7 in a fraction
Is a soil biotic or biotic
Fred had 264 books in his personal library. He donated 2/11 of these books to the public library. How many books did he donate?
Which of the following is the BEST example of an appropriately-narrowed topic for an informational research paper? Abraham Lincoln the Gettysburg Address how th
what multiples to -60 and adds to -28