How much 0.05 M HCl solution can be made by diluting 250 mL of 10 M HCl?

Answers

Answer 1

Answer: if,
10M:250ml
0.05M:Xml
10X=0.05×250
10X=12.5
X=1.25ml
Hope this helps*wink*

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element x has an electron configuration of 1s²2s²2p⁶3s¹, while element z has an electron configuration of 1s²2s²2p⁵. a) which element would have greater first ionization energy? b) which element would have a larger radius? c) which element would have higher electronegativity? d) which element would form an ion that has a larger radius? e) which element would release more energy when it gains an electron?
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In a chemical reaction, substance R reacts with compound XY to produce 47.0 g of compound RX. If the theoretical yield of RX is 56.0 g, what is its percent yield?

Answers

The percent yield of a chemical reaction is calculated by dividing the actual yield (determined through experimentation) by the theoretical yield (calculations). The percent yield is a great way of determining the efficiency of a reaction. For this problem, the percent yield is 83.93% as given by the solution:

% yield = (47/56)*100 = 83.93%

Answer:

C. 83.9%

Explanation:

I got it right on edge

Mass is measured against a standard by using a balance.
a. True
b. False

Answers

Mass is measured against a standard by using a balance. The statement given above is a fact. Therefore the answer among the choices is letter "A" or "A. True". I hope this helps you on your assignment.

Answer:

The answer is: a. True.

Explanation:

Mass and weight are different properties, which are defined in the field of physics.Mass is a measure of the amount of matter that a body possesseswhile weight is a measure of the force that is caused on the body, by the gravitational field of another.

The balance is an instrument used to measure the mass of objects.

The answer is: a. True.

How do you find the IUPAC name for a compound like ZnO

Answers

To find the IUPAC name for compounds, you must memorize prefixes and suffixes and other terms in determining or naming a compound. The IUPAC name for compound ZnO is Oxozinc or Zinc Oxide. I hope this helps you on your assignment.

The combining of atoms together is known as nuclear

Answers

The correct word to fill the statement is fusion. The combining of atoms together is known as nuclear fusion. This reaction happens where two or more nuclei of an atom comes very close at a very high speed and joins to form a new nucleus.

A researcher is designing a laboratory experiment to determine whether the inorganic substance A affects the rate of a reaction between two colored liquids, X and Y. When the reaction is complete, the liquid is clear. The reaction between X and Y is similar to one used by manufacturers to produce certain chemicals in factories. Which method would best answer his question about reaction rate and what will he find out about substance A?

Answers

Answer : First, he should measure how long it takes for the liquid to become clear if X and Y are mixed together. Then, he should measure how long it takes if he also adds substance A to X and Y. He will find out if substance A is a catalyst

Explanation : Measuring the time taken for the liquid to become clear when X and Y were mixed together will give an assumption about the reaction time and the rate of reaction.

Then same measurement should be done when the substance A is added to the liquid of X and Y mixture. If there is a fast reaction that occurs when A is added to the reaction mixture then it can be concluded that A acts as an catalyst for mixing X with Y. Also, by comparing the reaction rates of both the reaction it can be easily concluded that A was a catalyst or not.

Answer:

The answer is B

Explanation:

Just did the test and got it right

Suppose that a certain fortunate person has a net worth of $79.0 billion ($7.90×1010). If her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?

Answers

A net worth: $79.0 billion.
Value of stock : $3.20 billion.
New net worth:
$79.0 + $3.20 = $82.20 billion = $82.20 * 10^9 = $8.20 * 10^10

Answer:

$8.20 * 10^10

Explanation:

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The process by which complex compounds are broken down by enzymes and by which many organic alcohols are formed is called fermentation. a. Trueb. False

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