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

Which of the following is used to measure the strength of an earthquake? a. Fujita scale b. Focus scale c. Richter scale d. Tsunami scale

how are common denominator and a common multiple alike and different

Write a formula for the given quanity. 1.The perimeter P of a rectangle with base B and Height H. 2. The Nth odd number,0 (1 is the first odd number,3is the se

Which of the following is a health risk associated with ground-level ozone? a. cataracts b. skin cancer c. respiratory illness d. all of the above

For what was Mark Antony known in his younger days?

How do you secure the beginning and end of every seam?

montrer que f(x)= (2x-13)(2x-7) pour tout réel x

What is social support?

Given that 2x+7=27 and 3x+1=28, does2x+7=3x+1

$24 saved after 3 weeks; $52 saved after 7 weeks