adegokeshukroh
adegokeshukroh adegokeshukroh
  • 04-03-2021
  • Chemistry
contestada

what is the percentage composition of carbon and hydrogen in ethane(c2h6,molecular mass 30.0)
​

Respuesta :

okiki99ng36
okiki99ng36 okiki99ng36
  • 04-03-2021

Answer

% of C in C2H6= (2×12)/30×100=80%

% of H in C2H6= (3×2)/30×100=20%

Explanation:

2C+3H2-C2H6

nC=12, nH=1, nC2H6=30

2moles of C-1mole of C2H6

3moles of H-1 mole of C2H6

% of C in C2H6= (2×12)/30×100=80%

% of H in C2H6= (3×2)/30×100=20%

Answer Link

Otras preguntas

Just need help with one of them.
What sort of structure is described in the poem
Consider the expression 8 - 4 + 2. One student says the answer is 2 and another says it is 6. Which student is correct? Explain what went wrong with the student
You flip two coins and roll a number cube. What is the probability of flipping two tails and rolling as even number?
Drinking cold water burns more calories than drinking room-temperature water. T or F
A cat can hear sound frequencies up to 70,000 hz. bats send and receive ultra-high-frequency squeaks up to 120,000 hz. which hears sound of shorter wavelengths:
Many of Central Asia’s problems are due to its reliance on one crop—corn. True False
what compromise was made in the 1700s in regard to slavery ?
Which is the most accurate definition of bankruptcy?
Usted [morir, conseguir, pedir, sentirse, despedirse, vestirse] tú [conseguir, servir, morir, pedir, dormir, repetir] ellas [repetir, dormir, seguir, preferir,