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AysviL [449]
3 years ago
12

In the compound H2O, the electrons in the bonds are unequally shared between oxygen and hydrogen, forming ____. (1 point)

Chemistry
2 answers:
Aloiza [94]3 years ago
5 0
<span>polar bonds due to high difference . In electronegativity of oxygen and hydrogen.</span>
GREYUIT [131]3 years ago
5 0
The best and most correct answer among the choices provided by your question is the last choice.

<span>In the compound H2O, the electrons in the bonds are unequally shared between oxygen and hydrogen, forming POLAR BONDS.</span>

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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0.2344 mol CH3OH/0.0500=
BigorU [14]

Answer:

150.016 grams

Explanation:

molar mass of cH3OH=12+4+16 =32 u

mass = nu. of moles × molar mass

mass= 0.2344 × 32 =7.5008 gm÷ 0.0500 = 150.016 gm

8 0
3 years ago
The titration of 25.0 mL of an iron(II) solution required 18.0 mL of a 0.145 M solution of dichromate to reach the equivalence p
Svetlanka [38]

Answer:

0.64 M

Explanation:

Given:

Volume of iron(II) solution (V₁) = 25.0 mL = 0.025 L

Molarity of iron(II) solution (M₁) = ?

Number of moles of iron(II) solution (n₁) = ?

Volume of dichromate solution (V₂) = 18.0 mL = 0.018 L

Molarity of dichromate solution (M₂) = 0.145 M

Number of moles of dichromate solution (n₂) = ?

Molarity is equal to the ratio of moles and volume.

So, molarity of dichromate solution is given as:

M_2=\frac{n_2}{V_2}\\\\n_2=M_2\times V_2=0.145\times 0.018 = 2.61\times 10^{-3}\ mol

Now, let us write the complete balanced reaction for the given situation.

So, the complete balanced equation is given below.

6Fe^{2+}(aq)+Cr_2O_7^{2-}(aq)+14H^+(aq)\to 6Fe^{3+}(aq)+2Cr^{3+}(aq)+7H_2O

From the equation, it is clear that, 1 mole of dichromate is required for 6 moles of iron(II) solution.

So, using unitary method, we find the number of moles of iron(II) solution.

1 mole of dichromate = 6 moles of iron(II)

∴ n₂ moles of dichromate = 6n₂ moles of iron(II)

                                          = 6\times 2.61\times 10^{-3}=0.016\ mol\ Fe^{2+}

So, 0.016 moles of iron(II) is needed. Therefore, n_1=0.016\ mol

Now, molarity of iron(II) solution is given as:

Molarity = Moles ÷ Volume

M_1=\frac{n_1}{V_1}\\\\M_1=\frac{0.016\ mol}{0.025\ L}=0.64\ M

Therefore, the molarity of the iron(II) solution is 0.64 M.

4 0
3 years ago
One mole of an atom of a substance is equal to
solong [7]

Answer:

One mole of a substance is equal to 6.022 × 10²³ units of that substance (atoms, molecules, or ions)

Explanation:

This number is Avogadro's number. The concept of the mole can be used to convert between mass and number of particles. its used to compare very large numbers.

4 0
3 years ago
If the temperature of a liquid increases the rate of evaporation will do what?
konstantin123 [22]
The rate of evaporation will increase as well.
6 0
3 years ago
How many grams are in 6.50 moles of h2so4?
GREYUIT [131]
You multiply 6.50 by the molar mass of H2SO4. 
7 0
3 years ago
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