mikaelakaczyns mikaelakaczyns

20-09-2016
Chemistry

contestada

How many grams of Br are in 255 g of CaBr2?

Respuesta :

Willchemistry Willchemistry

25-09-2016

Molar mass:

Br = 79.904 g/mol
CaBr2 = 199.886 g/mol

CaBr2 = 2 Br + Ca

199.886 g --------------- 2 x 79.904 g
255 g -------------------- ?? ( mass of Br )

255 x 2 x 79.904 / 199.886 =

40751.04 / 199.886 =>203.87 g of Br

hope his helps!

Answer Link

Otras preguntas

how can paleontologists help us understand the past

Find the additive inverse of 18/23

Modern Western ideas about freedom, the value of the individual, forms of government, and systems of law came from __________.

Which of the objects is living or nonliving: Bacteria, virus, moss, you, a lemon seed, the air, bread, lettuce and rocks?

what are three important types of forces

how can paleontologists help us understand the past

Who was the boy who became king at the age of 9?

Which of the objects is living or nonliving: Bacteria, virus, moss, you, a lemon seed, the air, bread, lettuce and rocks?

Why did the Berlin Conference occur?

why did foreign powers treat the US government under the Articles of Confederation with scorn?