revivalbead revivalbead

24-02-2021
Chemistry

contestada

What is the percent composition by mass of suifur in Na2SO?
(Molar mass of Na2SO.= 142 g/mol)

Respuesta :

kathrynlizzy kathrynlizzy

02-03-2021

Answer:

22.5%

Explanation

% composition = Molar mass of S

------------------------ x 100

Molar mass of Na2SO4

= 32.065

------------ x 100

142

=0.225 x 100

= 22.5%

Answer Link

Otras preguntas

what is 79.35 divided by 5

Which one of the following statements correctly defines active site? a.The active site is a site on the enzyme molecule where specific substrate molecules bind.

(c-30)(c-120)=184 how do I solve it

what are the factor pairs of 73

A Labrador retriever breeder needs to determine if three male pups who were born to Sadie, his black Labrador retriever, are the offspring of Sam, a yellow Labr

How do we measure the acidity of rain?

Tanisha and Rachel had lunch at the mall tanisha ordered three slices of pizza and two colas Rachel ordered two slices of pizza and 3 colas Tanisha bill was si

Rabies is a deadly disease that progresses rapidly. What type of treatment would be best for a person who has not been vaccinated for rabies and has been bitten

Which of the following is true of cellulose? A.) It is a major structural component of plant walls B.) It is a major structural component of animal cell plasma

How is the process of fertilization in animals like the process that takes place in plants? A. A sperm cell and an egg cell combine to form an embryo. B. Sperm