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3 years ago

Please help

2 answers:

7 0

#1 : C. $Mg(CN)2$

#2: B. $N205$

#3: D. $Ti(CIO4)3$

#4: A. But you maked a little mistake. It's $Ni(NO3)2$

#5: D. Cobalt (III) Acetate.

#6: B.

#7: C.

# 8: A.

# 9: C.

# 10: A.

# 11: C.

# 12: B.

Pachacha [2.7K]3 years ago

5 0

1. C : Mg(CN)2
2. B : N2O5
3. D : Ti(ClO4)3
4. A : Ni(NO3)3
5. D : Cobalt (III) Acetate
6. B : Nickel(II) sulfate
7. C : Dinitrogen Tetrafluoride
8. A : Phosphorus pentachloride
9. C : Metallic (<!> This is the only one I'm not 100% sure of)
10. A : Ionic
11. C : Metallic
12. B : Covalent

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What is the concentration of NaCl in a solution if titration of 15.00 mL of the solution with 0.2503 M AgNO3 requires 20.22 mL o

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$1 mL= 10^{-3} L$

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The formula can be written for the calculation of moles as:

$Molarity=\frac{Moles\ of\ solute}{Volume\ of\ the\ solution}$

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$Moles\ of\ AgNO_3 = 5.0611 \times 10^{-3} moles$

The chemical reaction taking place:

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According to reaction stoichiometry:

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5.0611×10⁻³ moles of AgNO₃ reacts with 5.0611×10⁻³ moles of NaCl

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The conversion of mL into L is shown below:

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