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aleksley [76]
3 years ago
6

When an indicator changes color during a titration, it is a sign that _____?

Chemistry
1 answer:
sukhopar [10]3 years ago
7 0
When an indicator changes colour during titration it is a sign that the end point [equivalence point] has been reached. The equivalence point of a neutralization reaction is the point at which chemically equivalent quantities of acid and base have reacted together. At this point, the moles of acid is equivalent to the moles of base. Indicators are usually used to identify the equivalent point.
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what do automobile makers mean when they say their cars are more powerful than their competitors' cars
JulijaS [17]

Answer:

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Explanation:

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5 0
3 years ago
3. A substance with a high volatility
nydimaria [60]
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3 0
3 years ago
The atomic mass of sulfur is 32.1 amu, and the atomic mass of oxygen is 16.0 amu. To the nearest tenth of a percent, what is the
Zielflug [23.3K]

Answer:

\%\ Composition\ of\ sulfur=40.1\ \%

Explanation:

Percent composition is percentage by the mass of element present in the compound.

Given , Mass of sulfur= 32.1 amu

Mass of oxygen = 16.0 amu

Mass of sulfur trioxide SO_3 = 32.1 amu + 3*16.0 amu = 80.1 amu

\%\ Composition\ of\ sulfur=\frac{Mass_{sulfur}}{Mass_{SO_3}}\times 100

\%\ Composition\ of\ sulfur=\frac{32.1\ amu}{80.1\ amu}\times 100=40.1\ \%

6 0
3 years ago
In what orbital would to valence electrons of strontium be found? a.) 5s b.) 4s c.) none d.) 5p​
KonstantinChe [14]

Answer:

The correct answer is 5s

Explanation:

Strontium atomic number = 38

Electronic configuration is $1s^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{6} 3d^{10} 4s^{2} 4p^{6} 5s^{2}

As $5s$ orbital is valence orbital in strontium, the outer electrons exists in that orbital only.

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poizon [28]
PF_{3}O
7 0
4 years ago
Read 2 more answers
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