1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
sergeinik [125]
2 years ago
10

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

Chemistry
1 answer:
Irina18 [472]2 years ago
6 0

<em><u>Given</u></em>

Weight of pottasium fluoride (KF) = 29 gms

<em><u>To find</u></em>

Number of moles of pottasium fluoride = ?

<em><u>Solution</u></em>

we know that molar mass of KF = 58.0967 g

Now,

number \:  of  \: moles = \ \\ \frac{given \: weight \: of \: subtance}{molar \: mass}

<em>Number of moles = 29/58 = 0.5 moles</em>

<u><em>Thanks</em><em> </em><em>for</em><em> </em><em>joining</em><em> </em><em>brainly</em><em> </em><em>community</em></u>

You might be interested in
Water is heated to a certain temperature in a large microwavable container. If a cup is used to remove some of the water from th
Alona [7]

Answer: C

Explanation:

3 0
1 year ago
Read 2 more answers
Why a common measuring system is important
Gekata [30.6K]
So scientist around the world can share there info without having to convert and doing extra work.
6 0
3 years ago
What is this element 1s22s22p6?
butalik [34]
If you add them up: 2+2+6 = 10, you will know it's Neon, which is written as Ne
6 0
3 years ago
What is the source of energy in nuclear power plants?
Zinaida [17]

Answer:

<h2><em><u>URANIUM</u></em><em><u> </u></em></h2>

Explanation:

What is the source of energy in nuclear power plants?

<em><u>Uranium</u></em> is the fuel most widely used by nuclear plants for nuclear fission. <u>Uranium</u> is considered a nonrenewable energy source, even though it is a common metal found in rocks worldwide. Nuclear power plants use a certain kind of uranium, referred to as U-235, for fuel because its atoms are easily split apart.

4 0
1 year ago
Select 2-possible ointment bases. Select one or more:
fredd [130]

Answer:

The correct option is: c. petroleum jelly, d. Polyethylene glycol 4000/600 mixture                

Explanation:

Topical medications are used for the treatment of ailments and include ointments, gels, lotions creams etc. that can applied directly on the surface of the body i.e. skin.

An ointment base medication gets rapidly absorbed into the skin. Some of the examples of <u>ointment bases</u> include water-soluble bases: <u>polyethylene glycol</u>, hydrocarbon bases: <u>petroleum jelly</u>, paraffin wax.

7 0
2 years ago
Other questions:
  • This is the type of attraction that holds elements like nickel, sodium and gold together. For these elements, stationary, positi
    14·2 answers
  • The primary reason some parts of Earth are hotter than other parties because the hotter parts of Earth
    7·1 answer
  • Help with all of these please!
    12·1 answer
  • 4. Which of the following have mass? Select all that apply.
    9·1 answer
  • According to the passage, as a result of a mutation, an organism
    15·2 answers
  • A physical change is when the atoms combine to create a new product.
    8·1 answer
  • What is unique about obtaining water from an artesian well?
    12·2 answers
  • Where would you expect to find the 1H NMR signal of (CH3)2Mg relative to the TMS signal? (Hint: Magnesium is less electronegativ
    14·1 answer
  • Fossils are the preserved remains or traces of an organism that used to be alive.
    6·2 answers
  • Predict what would change about your number of sandwiches and your thinking if you had the same 6 pieces of bread and 4 slices o
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!