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lisov135 [29]
3 years ago
8

Need it in 2 minutes ASAP

Chemistry
1 answer:
RUDIKE [14]3 years ago
3 0

Answer: read your book

Explanation: if you read it should be in there

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Does the result of the calculation in question 3 justify your original assumption that all of the SCN^- is in the form of FeNCS^
Naddik [55]
Fe 3+ + SCN- --> FeSCN 2+ 

<span>.......Fe 3+ .......SCN-.........FeSCN 2+ </span>
<span>I.......0.04..........0.001.............. </span>
<span>C........-x...............-x............. </span>
<span>E.....0.04-x.....0.001-x...........x </span>

<span>Keq = 203.4 = x / (0.04-x)(0.001-x) </span>
<span>203.4 = x / (x^2 - 0.041x + 4x10^-5) </span>
<span>203.4x^2 - 8.34x + 0.00094 = x </span>
<span>203.4x^2 - 9.34x + 0.00094 = 0 </span>
<span>x = -0.0001M or 0.0458M </span>
<span>so, using your Keq, there would be no SCN- or Fe 3+ left.....all would be in the form of FeSCN 2+</span>
5 0
3 years ago
Mass is:
ikadub [295]

Answer:

How much an object weighs is the answer

6 0
3 years ago
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What is always formed when a strong acid solution reacts with a strong base solution?
Dafna11 [192]

Answer:

water and salt

Explanation:

A neutralization reaction is when an acid and a base react to form water and a salt and involves the combination of H+ ions and OH- ions to generate water. The neutralization of a strong acid and strong base has a pH equal to 7.

Hope this helps

<u><em>PLS MARK BRAINLIEST</em></u>

7 0
3 years ago
The two isotopes of chlorine are 3517Cl and 3717Cl. Which isotope is the most abundant?
nikklg [1K]

Answer:

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  • Since the average atomic mass of Cl is 35.45 g/mole, so the most abundant one is that one near this number, ³⁵Cl₁₇.
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6 0
3 years ago
The water table is the
timofeeve [1]
Here is some different  pics of a water table. I hope this is what you are looking for :). You can click the pictures to in large them. 

6 0
3 years ago
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