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 ( 87+ )
Otras preguntas
Which phrase best completes the sentence? Margarita: Fuimos _________________________ unas faldas, unos cinturones de marca, un vestido para Juanita y
What can you infer about the “seven turned faces” and the “stump of a topmast”? Consider what these things tell you about the captain’s recent experience.
The transfer in heat by causing particles in a liquid to move would be described as what
Fill in the blank with the correct form of the imperfect tense. The children and I (watch) TV.
Suppose a triangle has to size of lint 42 and 35 and the angles between these 2 sides is 120 which equated should you solve to find the length of the 3rd side o
The most populous country in the world is _____.
How can you tell it an argument is sound
Explain what happened to society and the government as a result of increased industrialization in northern europe
How do you do this??
Janet earns 7.55 per hour mowing lawns. Kelsey earns twice that amount per hour babysitting and ty earns 1.25 less per hour than kelsey by selling lemonade. how
