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

which number is 100 less than 38 tens

what kind of symbiotic relationship is showm between Dori and Marlin

If 3x – 10 = 17, what is the value of 6x + 20 ?

Michelle has $12.30 in her purse in 1 cent 5 cent and 25 cent coins. if she has an equal number of each coin type how many coins does Michelle have in her purse

Of the model cars manufactured in September,1/5 were models of NASCAR cars and 1/3 were world were 2 vintage models.how many cars manufactured in September were

Madison was driving at 40 mph and went 80 miles. How long did it take madison?

How do you do 720 divided by 10 with the exponet of 3

You are conducting an experiment with phosphorus and nitrogen being added to the soil of a growing plant. When the amount of added nitrogen is increased, the

What does el muslo mean?

In minks, the gene for brown fur (B) is dominant to the gene for silver fur (b). Which set of genotypes represents a cross that could produce offspring with sil