How many grams of HCL are needed to make 500.0 mL of a 0.100 M solution?

Answers

Answer 1

Answer:

1.44 g

Explanation:

The problem gives you the molarity and volume of the target solution, so right from the start you know that you can use that information to determine the number of moles of hydrochloric acid that it must contain.

So, molarity measures a solution's concentration in terms of how many moles of solute, which in your case is hydrochloric acid, you get per liter of solution.

0.158 M

hydrochloric acid solution contains

0.158

moles of hydrochloric acid for very liter of solution. Since you're dealing with

250 mL

, the equivalent of

of a liter, your solution will contain

250

⋅

0.158 moles HCl

0.0395 moles HCl

Now that you know how many moles of hydrochloric acid are needed to prepare your solution, use the compound's molar mass to convert this to grams

0.0395

moles HCl

⋅

36.46 g

mole HCl

∣

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

1.44 g

∣

−−−−−−−−−−

Explanation:

Please brainliest.

Related Questions

GAS LAW:
If 2.2 liter of hydrogen are heated from 0 degrees celsius to 95 degrees celsius at the constant pressure what is the new volume?

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Explanation:

What is the initial reactant for a fusion reaction in the sun?

a) Iron-56
b) Hydrogen-1

Answers

Hydrogen

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Hydrogen-1 serves as the starting reactant in fusion reactions in the sun. This is due to the sun's composition, which is around 70% hydrogen and 28% helium with 2% heavier components. As a result, hydrogen-1 is both the most prevalent and most likely to be employed in a fusion process in the sun.

What is the way to make helium-4 ?

Two hydrogen-1 nuclei are fused together to create a helium-4 nucleus in the sun's fusion reaction, which releases energy in the process. This is the most significant energy source in the sun and is known as the proton-proton chain reaction.

When two hydrogen-1 nuclei collide to generate a deuterium nucleus, a gamma ray is released as a result, starting the reaction. Then, this deuterium nucleus strikes another.A helium-3 nucleus is created from a hydrogen-1 nucleus, which also produces a gamma ray.

The reaction is finally finished when two helium-3 nuclei meet to produce a helium-4 nucleus, producing two gamma rays in the process. Since hydrogen-1 is the most prevalent element in the sun and the element that is most likely to be employed in the proton-proton chain reaction, it is the first reactant for a fusion process in the sun.

A deuterium nucleus is created by the collision of two hydrogen-1 nuclei, which is followed by a sequence of further processes that ultimately result in the development of a helium-4 nucleus.

Learn more about fusion reaction at:

https://brainly.com/question/4837991

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The nucleus in the center of an atom contains ___ and __ ?

Answers

Answer:

protons and neutrons

Explanation:

The nucleus (center) of the atom contains the protons (positively charged) and the neutrons (no charge). The outermost regions of the atom are called electron shells and contain the electrons (negatively charged).

Science study island

Answers

Answer:

Explanation:

They can move at rates of up to four inches (10 centimeters) per year, but most move much slower than that. Different parts of a plate move at different speeds. The plates move in different directions, colliding, moving away from, and sliding past one another. Most plates are made of both oceanic and continental crust.

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