MariaCastanho MariaCastanho

04-02-2020
Chemistry

contestada

What is the percent by mass of hydrogen in, C9H6O3

Respuesta :

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

Will make the best answer the brainliest...At home remedies to help with sinus headache!! Are what?

The earth system made mainly of surface is water called the ?

Sign in if y = 6, what is the value of 5y? a. 1 b. 11 c. 30 d. 56

What is the mass of a football player who weighs 1250 n.?

I hate this part I need help for 4 and 5 is it a b c or d

Chad drove 28 miles using one gallon of gas and all together he drove 308 miles using 11 gallons of gas. Chads car continues to get the same number of miles pe

Mr. Smith and Mr. Stein were driving to a business meeting 140 miles from their office. Mr. Smith drove the first r r miles, then Mr. Stein drove the rest of t

The set of x values of a function this is another name for function

x+3x+4+3 what is the answer

Which is a higher temperature 20°c or 25?