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UNO [17]
2 years ago
13

What two colors make pink?

Chemistry
2 answers:
aksik [14]2 years ago
6 0
Orange and yellow makes pink hope this helps







KiRa [710]2 years ago
5 0
Red and white I think
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Calculate the OH− concentration after 53 mL of the 0.100 M KOH has been added to 25.0 mL of 0.200 M HBr. Assume additive vol- um
Andre45 [30]

Answer:

\large \boxed{\text{0.0038 mol/L}}

Explanation:

1. Calculate the initial moles of acid and base

\text{moles of acid} = \text{0.0250 L} \times \dfrac{\text{0.200 mol}}{\text{1 L}} = \text{0.005 00 mol}\\\\\text{moles of base} = \text{0.053 L} \times \dfrac{\text{0.100 mol}}{\text{1 L}} = \text{0.0053 mol}

2. Calculate the moles remaining after the reaction

                   OH⁻     +     H₃O⁺ ⟶ 2H₂O

I/mol:      0.0053       0.005 00

C/mol:    -0.00500   -0.005 00

E/mol:      0.0003              0

We have an excess of 0.0003 mol of base.

3. Calculate the concentration of OH⁻

Total volume = 53 mL + 25.0 mL = 78 mL = 0.078 L

\text{[OH}^{-}] = \dfrac{\text{0.0003 mol}}{\text{0.078 L}} = \textbf{0.0038 mol/L}\\\\\text{The final concentration of OH$^{-}$ is $\large \boxed{\textbf{0.0038 mol/L}}$}

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3 years ago
Negative charge is placed in an eletric
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Which solution is the least concentrated?
lora16 [44]

Answer:

Which solution is the least concentrated?

O 2 moles of solute dissolved in 4 liters of solution

O 1 mole of solute dissolved in 4 liters of solution

4 moles of solute dissolved in 6 liters of solution

6 moles of solute dissolved in 4 liters of

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Ionic compounds are made of a
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Ionic compounds are compounds composed of ions, charged particles that form when an atom (or group of atoms) gains or loses electrons. (A cation is a positively charged ion; an anion is a negatively charged ion.) Covalent or molecular compounds form when elements share electrons in a covalent bond to form molecules.

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No why are you asking this question?
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