twrxght3993 twrxght3993

25-02-2022
Chemistry

contestada

What is the number of moles of kf in a 29-gram sample of the compound.

Respuesta :

25-02-2022

Given

Weight of pottasium fluoride (KF) = 29 gms

To find

Number of moles of pottasium fluoride = ?

Solution

we know that molar mass of KF = 58.0967 g

Now,

[tex]number \: of \: moles = \ \\ \frac{given \: weight \: of \: subtance}{molar \: mass} [/tex]

Number of moles = 29/58 = 0.5 moles

Thanks for joining brainly community

Answer Link

Otras preguntas

Name one way that science helped farmers.

Which group was fighting communists in Nicaragua in the 1980s? A. the Contras B. the Republican Guard C. the Mujahedeen D. al-Qaeda

Change 250ml into the ratio 7:3

What is the purpose of a biography? A. to reveal personal stories that entertain the reader B. to explain events a person's life in an interesting and informati

A home heating system is to thermostat as the human body is to A. hormone-receptor complex. B. hypothalamus. C. reproductive system. D. target cells

________ is defined as a deliberate plan of action designed to guide government decisions. a. Sovereignty b. Constitutional c. Public policy d. Legislative powe

are the ratios 25/45 and 15/27 proportional? show your work, explain

Dynamic characters are those who in important ways over the course of a story.

Antibiotics added to livestock feed have been found to:

a repairman charges $40.50 per hour. this can be written as $40.50x.evaluate this expression if he works for 5 hours. 1.$8.10 2.$45.50 3.$162.00 4.$202.50