nay5049 nay5049
  • 01-02-2021
  • Chemistry
contestada

Calculate the number of sucrose molecules in a 75.0 gram sample.

Calculate the number of sucrose molecules in a 750 gram sample class=

Respuesta :

santashelperkim santashelperkim
  • 01-02-2021

Answer:

1.32*10^23 molecules

Explanation:

sucrose formula: C12H22O11

molar mass: 12(12.01)+22(1.01)+11(16.00)=342.34g/mol

75.0 g C12H22O11 * (1 mol C12H22O11)/(342.34g C12H22O11)=0.219 mol C12H22O11

0.219 mol * (6.022*10^23)/mol = 1.32*10^23 molecules (three sig. figures)

Answer Link

Otras preguntas

You put $4,000 in a savings account. The account earns 5.25% simple interest per year. What is the total balance after 5 years?
what is the role of doctors in our society?​
Can someone help please I appreciate it
Subtitute 2x+y=7 and 3x-y=8
vWhy does ice float on water? A. The temperature of ice is lower than the temperature of water. B. The temperature of water and ice are the same. C. The dens
Find the values below: x = m m m
I really need help plsss... thank you ! ​
Find the value of x in each case:
Calculate the energy of an electron that emits light at a wavelength of 5.00 x 10^-7m.
Stacey has -$17 in her bank account. She spends $35 at a clothing store and another $7 at the farmer’s market. What is her new bank account balance?