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
d1i1m1o1n [39]
3 years ago
5

How many moles are present in 100 grams of potassium?

Chemistry
1 answer:
spayn [35]3 years ago
4 0

Answer:

39.0983.

Explanation:

You might be interested in
What is crucial in the formation of metamorphic rock?
Marina CMI [18]

Answer: Heat\pressure control

Explanation: In order to create metamorphic rock, it is vital that the existing rock remain solid and not melt. If there is too much heat or pressure, the rock will melt and become magma.

4 0
3 years ago
What type of soil is found in the desert, the tundra, the tropical forest, and the temperate
Nataly_w [17]

Answer: Sandy soil

Explanation:

5 0
3 years ago
What happens in a subduction zone?
Soloha48 [4]
It’s been awhile but I think it is c
3 0
3 years ago
A substance is found to consist of 1.900g of silver, 0.250g of nitrogen, and 0.850g of oxygen. what is the percent by mass of ox
Galina-37 [17]
The  percentage  by mass  of  oxygen  in  the  compound

find  the total  mass=(  1.900+  0250 +0.850) =  3
the  percentage  mass  mass of  oxgyen/total  mass  x100

that  is  (0.850/3)  x100=28.33%
7 0
3 years ago
draw the lewis structure for CO2, H2CO3, HCO3-, and CO3 2-.Rank these in order of increasing attraction to water molecules. Expl
gavmur [86]

Answer:

The structures are attached in file.

Hydrogen bonding and intermolecular forces is the reason for ranks allotted.

Explanation:

In determining Lewis structure, we calculate the overall number of valence electrons available for bonding.  Making carbon (the least electronegative atom) the central atom in the structure, we allocate valence electrons until each atom has achieved stability.

In order of decreasing affinity to water molecules:

CO_{3}^{2-}  > HCO_{3} ^{2-} > H_{2} CO_{3}

This is due to the fact that the CO_{3}^{2-}will accept protons more readily than the bicarbonate ion, HCO_{3} ^{2-}. Carbonic acid, H_{2} CO_{3} will not accept any more protons, hence it is the least attractive to water molecule, even though soluble.

3 0
3 years ago
Other questions:
  • What is the molar mass of (NH4)2O? Explain how you calculated this value.
    14·1 answer
  • You add two substances together in a sealed bag and a chemical reaction happens. The mass before the reaction was 167 g. What wa
    14·1 answer
  • Calculate the ratio of H+ ions to OH– ions at a pH = 6. Find the concentration of H+ ions to OH– ions listed in Table B of your
    12·2 answers
  • The atomic radii of Li, Na, and Rb are 152 pm, 186 pm, and 244 pm, respectively. What is a reasonable estimate for the atomic ra
    15·2 answers
  • In the reaction
    5·1 answer
  • How many magnesium atoms are in the product
    14·1 answer
  • Which of the following is an example of a response to stimulus?
    6·2 answers
  • The atomic number of an element configuration 2,8, 8,2,13​
    12·1 answer
  • vIt is the middle of winter when you go to the store to buy some balloons for a birthday party. After you get to your car with t
    13·2 answers
  • Why doesn’t the addition of an acid-base indicator affect the pH of the test solution?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!