emjsisosos emjsisosos

09-01-2020
Chemistry

contestada

6. How many moles are represented by 11.5 g of C2H5OH?

Respuesta :

gbustamantegarcia054 gbustamantegarcia054

10-01-2020

Answer:

n C2H5OH = 0.2496 mol

Explanation:

moles (n) = mass / molecular weight

∴ m C2H5OH = 11.5 g

∴ Mw C2H5OH = (2)(12.011) + (6)(1.00794) + 15.9994 = 46.069 g/mol

⇒ n C2H5OH = (11.5 g)/(46.069 g/mol) = 0.2496 mol C2H5OH

Answer Link

Otras preguntas

what is the food making process called

Which best describes the conquest of Mexico? a. Led by Hernandez Cortez, Spanish armies seized the Aztec emperor and laid siege to the capital city. b. Through

the filipinos call it the Luzon sea and the Vietnamese call it the east sea but however it's named, the blank sea is the world's largest sea body after the fi

Maddox spent $17 of his birthday money on teenage mutant ninja turtle toys. if this was 68% of his birthday money, how much money did Maddox get for his birthda

how is a graph similar to a data table

Coffee has a pH of about 5. Coffee is _____. a. extremely acidic c. somewhat acidic b. extremely basic d. somewhat basic

A baby weighed 3.2 kg at birth. She gained 0.17 kg per week. She now weighs 5.75 kg. How old is she now?

what is three equivalent fractions to 50/45

Tamara earns $2,050 each month. She spends $1,315 of the amount she earns. The rest of the money is deposited to her savings account. How many months until Tama

What is the value of the 4 in 48