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

why do doctors worry more about a fever a couple of degrees celsius than a fever of a couple of degrees fahrenheit

The United States Constitution is a finely crafted document that was written to last, for the sake of _____________

What are the key elements that you can use to build a story around?

what is 1,592 rounded to the nearest thousand

(pleaseeee please help me D: I've been trying to figure this out all day)

Use the word apprentice in a sentence about colonial jobs

what is 999.999 rounded to the nearest hundredth

Tony has 7 blue cubes and 6 red cubes how many cubes does he have

Which of the following statements about Puerto Rico is false? a. Puerto Ricans are US citizens. b. Puerto Rico has its own currency. c. Puerto Rican citizens do

what can we do today as american citizens to protest laws that we consider unjust