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Galina-37 [17]
3 years ago
10

Use the information to answer the following question.

Chemistry
2 answers:
d1i1m1o1n [39]3 years ago
6 0

Answer: D

Explanation:

jolli1 [7]3 years ago
4 0
I think the answer is c
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An element is made of atoms

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Which of the following Substances would have the highest vapor pressure at 298 K?
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What is the chemical that had polluted flints drinking water supply
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3 years ago
5 drops of 0.15 M Ki added to<br>40 drops of Na2S2O3<br>What is the final concentration of ki?​
rjkz [21]

Answer:

\boxed{\text{0.017 mol/L}}

Explanation:

Na₂S₂O₃ solution does not react with KI (it reacts with I₂), so it is simply diluting the KI, and we can use the dilution formula.

c_{1}V_{1} = c_{2}V_{2}

Data:

c₁ = 0.15 mol·L⁻¹; V₁ = 5 drops

V(Na₂S₂O₃) = 40 drops

Calculations:

(a) Calculate the total volume

V₂ = 5 + 40 = 45 drops

(b) Calculate the concentration

0.15 × 5 = c₂ × 45

0.75 = 45c₂

c_{2} = \dfrac{0.75 }{45} = \boxed{\textbf{0.017 mol/L}}

3 0
3 years ago
Why do you think the older scientist disregarded the younger scientist's prediction?
Svetach [21]

Answer:

The older scientist were ignorant

Explanation:

they thought that they were better than the younger scientist. to put it in simply they were ignorant to think younger is worse

5 0
2 years ago
Read 2 more answers
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