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svetlana [45]
2 years ago
15

The fictional element “Nt” contains atoms with two valence electrons. Which type of intermolecular force is most likely responsi

ble for the properties of NtF2?
O dipole-dipole forces
O ion-ion forces
O hydrogen bonding
O dispersion forces
Chemistry
1 answer:
tatuchka [14]2 years ago
8 0
Ion-ion forces

Nt has two valence electrons, and bonds with F to form NtF2. This means that the ion form of Nt is Nt2+. This means that NtF2 is an ionic compound.
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a 20ml sample of hcl was titrated with the 0.0220 M Naoh. to reach the endpoint required 23.72 mL of the NaOh. Calculate the mol
Y_Kistochka [10]

Answer:

Molarity of HCl=0.026092M

Explanation:

The equation for the reaction is;

HCl + NaOH ⇒ NaCl + H2O

Using the formular, \frac{C_{A}V_{A}}{C_{B}V_{B} }=\frac{nA}{nB}    ..........equ1

whereC_{A} is the concentration of Acid,

          V_{A} is volume of acid

          C_{B} is concentration of the base

          V_{B} is volume of the base

          nA is the number of moles of Acid

          nB is number of moles of base

nA = 1,    nB=1 , V_{A}=20ml, C_{B}=0.022M, V_{B}=23.72mL

we will input these values into equation1 to solve for C_{A}

\frac{C_{A}*20}{0.022*23.72}=\frac{1}{1}

C_{A}*20=0.022*23.72

C_{A}=0.026092M

7 0
3 years ago
Which of the element pairs are in the same period?
Valentin [98]

Answer:

Caesium and Barium

Explanation:

Once again, if you look at the periodic table, you can see that Caesium and Barium are in the same period (Period 6).

<em>Feel free to mark this as brainliest! :D</em>

4 0
2 years ago
2. What is the molarity of a HCl solution containing 1.2 grams of hydrochloric acid in 0.025 L of solution?
alisha [4.7K]

Answer:

1.3M

Explanation:

Convert from grams to moles:

molar mass of HCl = 1.01g(molar mass of H) + 35.45g(molar mass of Cl) = 36.46g HCl

1.2g HCl (1mol HCl/36.46g HCl)

= .0329 mol HCl

Molarity = mol/L (important formula for concentration)

Plug your values in:

Molarity = .0329mol/.025L

1.317M - but you used two significant figures in the question, so:

1.3M

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3 years ago
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yuradex [85]
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