Chemistry Middle School

Which of the following steps correctly converts 6 grams of fluorine to an equivalent number of moles of fluorine?

A. Divide 6 by the atomic mass of fluorine.
B. Divide the atomic mass of fluorine by 6.
C. Subtract 6 from the atomic mass of fluorine.
D. Multiply the atomic mass of fluorine by 6.

Answers

Answer 1

Answer:

A

Explanation:

mole=mass of the element ÷ atomic mass of the element.

mole=6÷atomic mass of flourine.

Answer 2

The step at A correctly converts 6 grams of fluorine to an equivalent number of moles of fluorine. That is "Divide 6 by the atomic mass of fluorine".

What is one mole of a substance?A mole is defined as the mass of the substance which consists of an equal quantity of basic units.One mole of any substance is equal to the value of 6.023 x [tex]10^2^3[/tex] (Avagadro number). It can be used to measure the products obtained from the chemical reaction. The unit is denoted by mol.The formula for the number of moles formula is expressed as the number of moles of the substance =  mass of the substance/ mass of one mole of the substance

How to calculate the number of moles of fluorine equivalent to 6 grams of fluorine?

Given that,

The mass of fluorine = 6 grams

The atomic mass of one mole of fluorine = 18.99

So, the number of moles of 6 grams of fluorine= [tex]\frac{6}{18.99}[/tex]

Therefore, the step is given in option A: "Divide 6 by the atomic mass of fluorine" is the correct step that converts the 6 grams of fluorine to an equivalent number of moles of fluorine.

Learn more about the number of moles of a substance here:

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Related Questions

what are the words for each blank spot?

Answers

Answer:

1. Scientific Method, 2. Experiment, 3. Independent variable, 4. Controlled variable, 5. Dependent variable.

Explanation:

What the person said is the correct answer so thank them!

What is necessary for a metallic bond to form?

A) The atoms should be in close proximity.

B) The atoms should be far apart.

C) The electrons must be attracted to each other.

D) The nuclei must contain neutrons.

Answers

C thats the answer yes

how does the design of an experiment relate to the method of difference?

Answers

Answer:

The design of experiments (DOE, DOX, or experimental design) is the design of any task that aims to describe and explain the variation of information under conditions that are hypothesized to reflect the variation. The term is generally associated with experiments in which the design introduces conditions that directly affect the variation, but may also refer to the design of quasi-experiments, in which natural conditions that influence the variation are selected for observation.

Explanation:

Experimental design refers to how participants are allocated to the different groups in an experiment. Types of design include repeated measures, independent groups, and matched pairs designs.

A chemical change occurs when two or more substances join to form new substances with new ______________ properties

Answers

Answer:

hope this helps!

Explanation:

In a chemical change, the atoms in the reactants rearrange themselves and bond together differently to form one or more new products with different characteristics than the reactants. When a new substance is formed, the change is called a chemical change

Chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.

Which statement is true about a base when it reacts with another substance?

A. It receives a hydrogen ion.
B. It receives a hydroxide ion.
C. It donates a hydrogen ion.
D. It donates a hydroxide ion.

Answers

Answer:

C

Explanation:

I think that:))

It is true that when base react with a substance, it receives hydrogen ion.

What is a base?

A base is a substance that react with acids or acid substance to produce salt and water.

Base is slippery to touch , tastes bitter, changes the colour of indicators from blue lithmus paper to red. Base increase the number of hydroxide ions in a solution.

Therefore, is true that when base react with a substance, it receives hydrogen ion.

Learn more about base below.

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Identify if you should use millimeters, centimeters, meters, or kilometers to measure each example.

Answers

Answer:

1. unless you live right around the block, distance from home to school should be in kilometers.

2. centimeters

3. millimeters

4. meters (the average is about 2 meters)

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