yracepe
yracepe
12-10-2020
Chemistry
contestada
number of SO42- ions in 20.4 g Cr2(SO4)3
Respuesta :
IamSugarBee
IamSugarBee
12-10-2020
Gram molecular mass of
Cr2(SO4)3 = 392.6 g
No. of moles in 39.2 g of
Cr2(SO4)3 = 39.2/392.6 = 0.1 mol
1 mol of
Cr2(SO4)3
contains =
3 x 6.023 x 1023 sulphate ions
So, 0.1 mol of
Cr2(SO4)3
will contain =
0.1 x 3 x 6.023 x 1023 = 1.8069 x 1023 sulphate ions
✅
IamSugarBee
Answer Link
VER TODAS LAS RESPUESTAS ( 78+ )
Otras preguntas
which of the following best describes the process of hydration?A. water transports weathered sediment from one place and deposits it in anotherB. Water moving t
powers that are directly stated in the U.S. constitution are called _____ powers1. national 2. expressed3. inherent 4. implied
Which statement best describes the clear distinction between civil and criminal law? A) Civil law is where a case begins criminal law is where a case goes if it
which option best completes the diagram?
I'm trying to put these events in order of which one impacted slavery the most (1) to the least (5). -Missouri Compromise -Compromise of 1850 -Kansas-Nebraska A
Define secede in one sentence?
Read the passage. excerpt from "Interview with Simon Ortiz" by Laura Coltelli ORTIZ: Essentially. It has to be. There's no other purpose for which a person live
1. What’s the answer to this question please
what is the exact value of y= cos^-1 (-1/2)? Thank you in advance
At a seaport, the depth of the water, h metres, at time t hours, during a certain day is given by h=2.5 sin 2π (t−4) /12.4 + 6.2 What is the minimum depth of t
