BreMirenda1 BreMirenda1

12-06-2017
Chemistry

contestada

What is the percent by mass of water in Na2SO4 x 10H2O

Respuesta :

dec77cat dec77cat

12-06-2017

M(Na₂SO₄*10H₂O)=322.196 g/mol
M(H₂O)=18.0153 g/mol

w(H₂O)=10M(H₂O)/M(Na₂SO₄*10H₂O)

w(H₂O)=10*18.0153/322.196=0.5591 (55.91%)

Answer Link

Otras preguntas

what is the difference between and static and current electricity? give an example for each

Which three trails crossed the Rocky Mountains at South Pass?

What does the mother's gift of the piano reveal about her character at the end of the story? She has realized that her daughter's musical talents have increased

Suppose that you are trying to determine whether a secondary source is valid. What information about the source's creator would be most helpful to you?

Which word or phrase signals the passage of time? A. in order to B. for this reason C. initially D. yet

Why did Elizabeth Proctor fire Abigail Williams? She discovered Abigail stealing her jewelry. She discovered Abigail lying about the work she had complete

which famous African American pilots protected bomber plans during WWII

Given that sin 60 degrees = 0866, write the cosine of a complementary angle

Using a compass, Jane draws a circle on her paper with a radius of 2.5 inches. What is the area of the circle? A) 15.7 in2 B) 19.625 in2 C) 24.649 in2 D) 61.

Ofelia is typing an essay on her computer. She typed 3/5 of a page in 1/5 hour. At this rate how long would it take her to type a full page? A) 1/5 hour B) 1/3