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valina [46]
2 years ago
13

How does an indicator differentiate between an acid and base?

Chemistry
1 answer:
Svet_ta [14]2 years ago
8 0

Answer:

that is all I know sorry hope that may help you :)

Explanation:

Indicator is a substance which shows different colors in acidic and basic medium. Indicators can be natural (derived from natural sources) or artificial ( man-made) for example :

*Litmus is an indicator. Acid turns blue litmus into red while base turns red litmus into blue

* Turmeric solution does not show change in color (remains yellow) in acidic solution and turns red in basic solution.

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How many mL of 8.00M HCl solution are needed to make a dilution with a final volume of 2,500.ml, and a
kompoz [17]

Answer:

104.1 mL

Explanation:

c1V1 = c2V2

V1 = c2V2/c1 = (0.333 M×2500 mL)/8.00 M

V1 = 104.1 mL

5 0
3 years ago
Does electronegativity affect replacement reactions
Annette [7]

Answer: A single replacement reaction occurs when an elemental metal atom with a low electronegativity replaces another atom (usually a metal) in a compound. This is caused by a transfer of electrons from the less electronegative metal to the more electronegative atom.

Explanation: I hope this helps

3 0
3 years ago
WILL GIVE BRAINLIEST IF YOU EXPLAIN (this is 7th grade Science / Chemistry btw):
alekssr [168]

Answer:

2 chlorine atoms.

Explanation:

H₂ + Cl₂ → 2HCl

The Law of Conservation of Mass states that matter can neither be created nor destroyed in a chemical reaction.

If 2 molecules of Hydrogen and 2 molecules of Chlorine is present in the reactants, the same no. of atoms should also be present in the product.

∴ the no. of chlorine atoms in the product is 2.

8 0
3 years ago
Read 2 more answers
50.0 mL of an HNo3 solution were titrated with 36.90 mL of a 0.100 M LiOH solution to reach the equivalence point. What is the m
sleet_krkn [62]
Answer: 0.0738 M

Explanation:


1) Chemical equation:

<span>HNO₃ + LiOH → LiNO₃ + H₂O
</span>

2) Mole ratios:

1 mol HNO₃ neutralizes 1 mol LiOH

3) Number of moles of H⁺ from HNO₃:

M = n / V ⇒ n = M × V = 0.050 liter × M

4) Number of moles of OH⁻ from LiOH

M = n / V ⇒ n = M × V = 0.03690 liter × 0,100 M

5) Equivalence point:

number of moles of H⁺ = number of moles of OH⁻

⇒ 0.0500 × M = 0.03690 × 0.100 

⇒ M = 0.03690 × 0.100 / 0.0500 = 0.0738 M
<span />
3 0
4 years ago
Why should distilled water be tested for conductivity?
matrenka [14]
Salinity and conductivity measure the water's ability to conduct electricity, which provides a measure of what is dissolved in water. In the SWMP data, a higher conductivity value indicates that there are more chemicals dissolved in the water. ... Ions increase the water's ability to conduct electricity.
5 0
3 years ago
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