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3 years ago

How can we calculateConcentration of Solution?

Chemistry

2 answers:

IceJOKER [234]3 years ago

8 0

Molarity
the equation is M=mol/L
you say 6.0M as 6.0 Molar

adoni [48]3 years ago

7 0

Answer:

Molarity (M) is defined as the number of moles of solute (n) divided by the volume (V) of the solution in liters. It is important to note that the molarity is defined as moles of solute per liter of solution, not moles of solute per liter of solvent.

Hope this helps :)

if it doesn't, i'm sorry.

Explanation:

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When 500.0 g of water is decomposed by electrolysis and the yield of hydrogen is only 75.3%, how much hydrogen chloride can be m

Evgen [1.6K]

The amount of hydrogen chloride that can be made is 1064 g

Why?

The two reactions are:

2H₂O → 2H₂ + O₂ 75.3 % yield

H₂ + Cl₂ → 2HCl 69.8% yield

We have to apply a big conversion factor to go from grams of water (The limiting reactant), to grams of HCl, the final product. We have to be very careful with the coefficients and percentage yields!

$500.0gH_2O*\frac{1moleH_2O}{18.01 gH_2O}*\frac{2 moles H_2}{2 moles H_2O}*\frac{2.015g H_2}{1 mole H_2}*\frac{75.3 actual g}{100 theoretical g}=42.12 g H_2$

$42.12H_2*\frac{1 mole H_2}{2.015gH_2}*\frac{2 moles HCl}{1 mole H_2}*\frac{36.46g}{1 mole HCl}*\frac{69.8 actualg}{100 theoreticalg} =1064gHCl$

Have a nice day!

#LearnwithBrainly

7 0

4 years ago

Which part of the mantle is still a solid but flows like a thick, heavy liquid?

marusya05 [52]

Hello!

Your answer is A, asthenosphere

The asthenosphere is a part of the mantle. It helps move the plates in the Earth.

It is below the lithosphere, between 80 and 200 km below the surface.

Therfore, the asthenosphere is the part of the mantle that is still a solid but flows like a thick, heavy liquid.

Hope this helps!

Have a great day!

3 0

4 years ago

Read 2 more answers

A scientific argument will be considered invalid if the evidence supporting that argument is based on ___. A. inconsistent data

igomit [66]

Answer: A. inconsistent data

Indeed, using inconsistent data in a research or more to support an argument will only jeopardize its validity. A scientific argument supported by inconsistent data will be considered invalid and unreliable. That's why there are several scientific ways on data gathering.

7 0

3 years ago

Read 2 more answers

How many moles of propane

cupoosta [38]

Starting mass: 294
Mass ratio: 3/5

6 0

2 years ago

For Lewis acids and bases, the base is defined as an electron pair donor / acceptor (circle the correct answer).

damaskus [11]

Answer: electron donor.

Explanation:

According to Arrhenius concept, a base is defined as a substance which donates hydroxide ions $(OH^-)$ when dissolved in water and an acid is defined as a substance which donates hydronium ions $(H_3O^+)$ in water.

According to the Bronsted Lowry conjugate acid-base theory, an acid is defined as a substance which donates protons and a base is defined as a substance which accepts protons.

According to the Lewis concept, an acid is defined as a substance that accepts electron pairs and base is defined as a substance which donates electron pairs.

$NH_3+H^+\rightarrow NH_4^+$

Here $NH_3$ acts as lewis base and $H^+$ act as lewis acid.

Thus lewis base is defined as an electron pair donor.

8 0

4 years ago

How can we calculateConcentration of Solution?​

How can we calculateConcentration of Solution?