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2 years ago

Strontium sulfate becomes less soluble in an aqueous solution when sodium sulfator is added because

Chemistry

2 answers:

horsena [70]2 years ago

7 0

Answer:

The addition of sulfate ions shifts equilibrium to the left.

Explanation:

Hello!

In this case, according to the following ionization of strontium sulfate:

$SrSO_3(s)\rightleftharpoons Sr^{2+}+SO_4^{2-}$

It is evidenced that when sodium sulfate is added, sulfate, $SO_4^{2+}$ is actually added in to the solution, which causes the equilibrium to shift leftwards according to the Le Ch athelier's principle. Thus, the answer in this case would be:

The addition of sulfate ions shifts equilibrium to the left.

Best regards!

TiliK225 [7]2 years ago

5 0

Answer:

A. The addition of sulfate ions shifts equilibrium to the left.

Explanation:

Edge 2021

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Indicate which of the following criteria are important for the selection of a buffer to use in an in vitro biochemical reaction.

JulsSmile [24]

Answer:

The correct answer is: d. The pKa of the chosen buffer should be close to the optimal pH for the biochemical reaction.

Explanation:

The buffer resist or maintain the change in pH in case of Acid or basic addition to the solution. The buffer capacity should be within one or two pH units when compared to the optimal pH.

Thus it is important to select a buffer with pKa close to the optimum pH of the reaction because the ability for the buffer to maintain the pH is is great at the pH close to pKa.

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3 years ago

Why do we need to know these organic molecules? Are they important to living things?

laila [671]

Answer:

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3 years ago

Read 2 more answers

What is the balance equation for

murzikaleks [220]

1st one

2_2_2

2nd one

3_1_1_3

i looked it up

7 0

3 years ago

If a helium filled ballon has a volume of 3.4l at 25°c and 1.18atm., what is its volume at STP?

vladimir2022 [97]

Answer:

3.711 L

Explanation:

The formula you need to use is the following:

$\frac{V_{1}}{T_{1}} = \frac{V_{2}}{T_{2}}\\$

3.4L / 298 K = V2 / 273 K

V2 = 3.711 L

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2 years ago

A mass of 2kg has a kinetic energy of 16J.what is the momentum of the body?

juin [17]

Explanation:

mass -2kg

energy -16j

k.e -1/2mv

16j= 1/2×2×V

16× 2/2 =V

16 = V

√16= V

V= 4m/s

Then

momentum=MV

=2×4

=8kgm/s

3 0

3 years ago