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

In the step by step simplification of expression below which property is not used? 3(1+x)3(x+1)3(x)+3(1)3x +3 A) associative B) commutative C) distributive D)

In the step by step simplification of expression below which property is not used? 3(1+x)3(x+1)3(x)+3(1)3x +3 A) associative B) commutative C) distributive D)

You have a piece of wood that is 7 3/4 feet long. You want to cut one piece that is 3 7/12 feet long and one piece that is 4 1/12 feet long. Do you have enou

A laptop computer is priced at $650. If the sales tax is 5%, find the total cost of the computer, including sales tax.

A laptop computer is priced at $650. If the sales tax is 5%, find the total cost of the computer, including sales tax.

i need with math it say the ride-it store rents bicycles. the cost is $8.50 for 1 hour, $13.64 for 2 hours, $18.80 for 3 hours, and 23.95 for 4 hours. if the pa

i need with math it say the ride-it store rents bicycles. the cost is $8.50 for 1 hour, $13.64 for 2 hours, $18.80 for 3 hours, and 23.95 for 4 hours. if the pa

i need with math it say the ride-it store rents bicycles. the cost is $8.50 for 1 hour, $13.64 for 2 hours, $18.80 for 3 hours, and 23.95 for 4 hours. if the pa

In the step by step simplification of expression below which property is not used? 3(1+x)3(x+1)3(x)+3(1)3x +3 A) associative B) commutative C) distributive D)

Proof: Given: Isosceles trapezoid TRAP with TR=PA Prove: Angle RTA = angle APR