samm1702 samm1702

04-01-2022
SAT

contestada

One mole of potassium permanganate kmno4 contains grams of oxygen.

Respuesta :

LammettHash LammettHash

04-01-2022

1 mol KMnO₄ contains 4 mol O, which has a molar mass of about 15.999 g/mol. Then the mass of O in the sample is

(4 mol) (15.999 g/mol) ≈ 63.996 g

Answer Link

Otras preguntas

Which general formula represents the compound CH3CH2CCH? (1) CnHn (3) CnH2n–2 (2) CnH2n (4) CnH2n+2

12 bags of plaster do 54m squared, how many bags are needed for 36m squared

If the slope of a line is ½ and the y-intercept is 3, what is the x-intercept of the same line? a. 6 b. 3/2 c. 0 d. -2/3 e. -6

Which reaction occurs when hydrogen ions react with hydroxide ions to form water? A. substitution B. saponification C. ionization D. neutralization

The modern model of the atom shows that electrons are(1) orbiting the nucleus in fixed paths(2) found in regions called orbitals(3) combined with neutrons in th

if 4x^2-100=0, the roots are

−4x + y = 6 −5x − y = 21

Why do you see Arabic influence in Spain?

a war between two sides of the same country

what is the percent change of 92 to 69