What is the molarity of 1.5 liters of an aqueous solution that contains 52 grams of lithium fluoride, LiF, (gram-formula mass = 26 grams/mole)?

Answers

Answer 1

Answer: Molarity is simply the number of moles dissolved per liter of solution.
Converting the mass of LiF to moles:
52 g / 26 g/mol = 2 mol LiF

Next, simply divide the number of mole by the volume
2 mol / 1.5 L = 1.3333 mole/L

So, the molarity of the given solution is 1.3333 M

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Are all elements abbreviated with one or two letters? If not, name some that aren't.

Answers

Answer:

Some elements are abbreviated with more than two letters such as the Ununtrium (Uut), Ununpentium (Uup), Ununseptum (Uus) and Ununoctio (Uuo).

Explanation:

Some elements have intuitive symbology, such as Chlorine (Cl), among others, which are represented by the first letters that make up the name. However, there are others who receive symbols that do not remember the name of the element, such as Lead (Pb). Regardless of the similarity between the names and the symbol of the elements, most of them have the symbol composed of one or two letters, except for the elements Ununtrium (Uut), Ununpentium (Uup), Ununseptum (Uus) and Ununoctio (Uuo).

Some elements that are not abbreviated with one or two letters on the periodic table are Ununoctium (Uuo) and Ununtrium (Uut).

Write the proper word equation to express the following chemical reaction: 4Fe (s) + 3Sn(NO3)4 (aq) Imported Asset 4Fe(NO3)3 (aq) + 3Sn

Answers

The proper word equation for

4Fe + 3Sn(NO3)4 = 4Fe(NO3)3 + 3Sn is as below

Iron + Tin (iv) nitrate = iron(iii) nitrate + Tin

iron displaces tin from it compound ( Tin (iv) nitrate to form iron (iii) nitrate and tin.

from the equation above 4 moles of Fe displaces 3 moles of Sn(NO3)4 to form 4 moles of Fe(NO3)3 and 3 moles of SN

When oxygen bonds to itself to form breathable oxygen gas what kind of bond is involved?a. ionic
b. covalent
c. oxygenated
d. non-metallic

Answers

The correcr anwer is B. The chemical bond between two oxygen atoms is a covalent bond, specifically double covalent bond. The two atoms share two pairs of electrons in order to achieve the most stable structure. Other examples are CO2 and C2H4.

Certain crops require a specific amount of annual rainfall to be successful. Which statement explains why coconut palm trees are successful in Florida?

Answers

Answer:

Coconut palm trees thrive in environments with temperatures above 64 degree Fahrenheit, that is tropical areas. Southern Florida is an ideal place for coconut palm trees to grow because it is tropical enough for them.

Explanation:

Because there is a lot of rain, it is a tropical area and has a tropical climate.

Hope this helps <3

An unknown substance turns blue litmus paper to red. Which additional test could be used to confirm the substance’s identity? It should turn phenolphthalein from colorless to pink because it is a base. It should turn phenolphthalein from pink to colorless because it is a base. It should turn methyl orange to orange because it is an acid. It should turn methyl orange to red because it is an acid.

Answers

The substance that turns blue litmus red should turn methyl orange to red because it is an acid.

What is an acid?

An acid is a substance that produces hydrogen ions as the only positive ions when dissolved in water.

Properties of acid include :

acids turn blue litmus red
are corrosive
are sour in taste

Therefore, the substance that turns blue litmus red is an acid:

It should turn methyl orange to red because it is an acid.

Learn more about acids at: brainly.com/question/25148363

Blue litmus paper turning red means that the solution where the litmus paper was submerged is an acidic solution with a pH of less than 7. Another verification of the nature of the solution is the turning to red of methyl orange in acidic solutions. The answer then is D.

A rock is dropped into a graduated cylinder containing 40mL of water. the new volume is 47mL. What is the volume of the rock? a)4ml b)47ml c)7ml d)87ml e)11mlI thibk it is 7ml am I correct ?

Answers

The volume of the rock is 7mL. The correct option is c)7ml

From the question,

We are to determine the volume of the rock.

When an object is submerged in a container containing a liquid, the submerged object displaces a volume of liquid equal to the volume of the object.

That is,

Volume of object = Final volume - Initial volume

From the given information,

Initial volume = 40mL

Final volume = 47mL

∴ Volume of the rock = 47mL - 40mL

Volume of the rock = 7mL

Hence, the volume of the rock is 7mL. The correct option is c)7ml

Learn more here: brainly.com/question/10136572

To find the volume of irregularly shaped objects, you put them in graduated cylinders, as described. To find the volume of the object, get the difference between the original volume and the new volume.
So, its 47mL - 40mL, which equals 7, so choice c) 7mL, the answer you picked!

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