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topjm [15]
3 years ago
10

One roach infestation indicator is _____

Chemistry
1 answer:
julia-pushkina [17]3 years ago
5 0

I think it's Nesting Materials because it explains more to the problem?

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47.0ml of a HBr solution were titrated with 37.5ml of a 0.215M LiOH solution to reach the equivalence point. what is the molarit
faltersainse [42]

Hello!

The molarity of the HBr solution is 0,172 M.

Why?

The neutralization reaction between LiOH and HBr is the following:

HBr(aq) + LiOH(aq) → LiBr(aq) + H₂O(l)

To solve this exercise, we are going to apply the common titration equation:

M1*V1=M2*V2

M1=\frac{M2*V2}{V1}= \frac{0,215 M * 37,5 mL}{47 mL}=0,172 M

Have a nice day!

4 0
4 years ago
How does atom electronegativity affect bond character and molecular polarity?
vitfil [10]
A bigger difference in electronegativity between two molecules means higher polarity and a stronger bond. Electronegativity increases on the periodic table as you go up a group and to the right. Ex: CsF has a very high polarity
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21.041gMg - 21.00gMg/ 24.31 (gmg/ mol Mg)
LenKa [72]

Answer:

molMG

Explanation:

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Hope this helped and if it did, please give my answer a brainliest.

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