gracefrick3 gracefrick3

01-12-2020
Chemistry

contestada

Calculate the mass percent composition of carbon
in
C3H4

Respuesta :

lavenderlillacs25 lavenderlillacs25

01-12-2020

Answer: 90%

Explanation:

So we need to find the molar mass of the entire compound, and the mass of carbon times the number of molecules:

Molar mass: 3*12 + 4*1 = 40

Mass of carbon: 12*3 = 36

36/40 * 100 = 9/10 * 100 = 90%

Answer Link

Otras preguntas

simplify 6y+5y+2 Please help!!!!

Which of these characteristics affects the diffusion of oxygen into the icefish's blood?

perform each conversions8944mm to meters.4598mg to kilograms.0.0187L to milliliters.

Why is it good practice to perform a mixed melting point determination at two different ratios of unknown to known materials in the melting point capillary?

How do you tell if a number is divisible by three

Answer number 39 please and thxx ✨

12 = -4(-6x -3) 3n - 5 = - 8(6n + 5) 2(4x - 3) - 8 = 4 + 2x Can you please help with any of these? Please show work I’m so confused thank you

Can some one help me ASAP

Help me please.... Question Three sides of a rectangular paddock are to be fenced, the fourth side being an existing straight water drain. If 1000 m of fencing

Please help me out! :D