saSmahalisTy saSmahalisTy

20-05-2017
Chemistry

contestada

What is the percent by mass of oxygen in al2o3 ?

Respuesta :

chloelewis986 chloelewis986

20-05-2017

mr oxygen= 16. 16 x 3= 48
mr Al2O3= 27 + 27 + 48= 102

(48/102) X 100%= 47.05% oxygen

Answer Link

Otras preguntas

Some female butterfly lay their eggs in clusters. If one kind of butterfly lays 12 eggs at a time and another kind lays 18 eggs at a time, how many eggs would

If a student fails to recognize how to properly quote the words of an author, that student may be found guilty of

Scientists best apply critical thinking in their work through _______. a. the scientific method b. observation c. hypotheses d. experimentation

The New Jersey Plan would most likely be supported by (A) states with large populations (B) states with small populations (C) states that were mostly agricul

if you want to have certain icons available regardless of what tab you are using you should add them to the

Who were the first Europeans to settle the southern region and establish the first settlement at St. Augustine, Florida?

Which example best describes using a screw? rolling a wheel up a ramp turning and pushing a tack into the wall tightening the cap of a water bott

Which of the following was not a reason for the initial American neutrality during the First World War? (A) Wilson hoped neutrality would allow him to lead the

How are social classes and social castes related?

If a chlorine atom were to attract an extra electron from lithium, the lithium atom would become ______________ charged.