MariaCastanho
MariaCastanho MariaCastanho
  • 04-02-2020
  • Chemistry
contestada

What is the percent by mass of hydrogen in, C9H6O3

Respuesta :

Willchemistry
Willchemistry Willchemistry
  • 04-02-2020

Hey there!

Molar mass of ( C₉H₆O₃ ) =  162.14 g/mol

atomic mass H = 1.007 amu

Therefore :

H% =  atomic mass H / molar mass ( C₉H₆O₃ )   x 100

H % =  ( 1.007 /  162.14 ) x 100 =

H% = 0.00621 x 100 =

H% = 0.621

Answer Link

Otras preguntas

0.1 divided by 1.89.
Janessa is playing a board game with two friends. Using a single die, one friend rolled a four, and the other friend rolled a three. Janessa needs to roll a num
Janice is 7 years older than Tam. Complete the table, and then graph this situation. Tam x(years) 2 9 4 ? 6 ? 8 ?
By how much did the number of immigrants from Asia increase between 1930 and 1990? by more than 4.5 million by less than 10,000 by less than 100,000 by more tha
David has decided to build a website about sports equipment. He is now planning the site structure. How should he design the site structure? to use in the alt t
If you could create the world's best teacher, what would their class be like? Use your imagination, and talk about the classroom, their lessons. Would you go on
pls help meeeeeeeeeeeeeeeeee
Find the area of the shaded regionNo links or docslots of points and will mark BRAINLYEST ​
add the fractions and simplify the 21/4 + 55/6 + 32/3
The children used to talk. Los niños ... (hablar)