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vodka [1.7K]
3 years ago
8

What is the H+ in solution with pH of 10.9

Chemistry
1 answer:
Soloha48 [4]3 years ago
8 0

Answer:

Explanation:

has a pH of 6.6, then what is the H3O+ in solution X? View Answer · What is the pOH of a solution in which (H+)

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A concept map for four types of intermolecular forces and a certain type of bond is shown.
vladimir2022 [97]

Answer:

c. D represents ion-dipole forces, which are stronger than the force represented by C.

Explanation:

From the map:

D represents ion-dipole forces.

C represents H-bonding forces.

Ion dipole forces are the forces between a charged ion and polar molecule and it is electrostatic in nature.

Hydrogen bonding is a special case of dipole-dipole forces and it is present when there is a H=atom bonded to an electronegative atom such as: N, O, and F.

Ion dipole forces is stronger than that of H-bonding.

so, the right choice is:

c. D represents ion-dipole forces, which are stronger than the force represented by C.

7 0
3 years ago
What is the ph of a buffer consisting of 0.200 m hc2h3o2 and 0.200 m kc2h3o2? the k a for hc2h3o2 is 1.8×10−5. view available hi
AURORKA [14]
PH = pKa + log \frac{[base]}{[Acid]}
Acid  is HC₂H₃O₂ and conjugate base is KC₂H₃O₂,
pKa = - log Ka = - log (1.8 x 10⁻⁵) = 4.74
so pH = 4.74 + log (0.2/0.2) = 4.74
This is called maximum buffer capacity (when acid conc. and base conc. are equal) the pH = pKa in this case
6 0
3 years ago
Which of the following is a correct inference that one can make about the burning of gasoline?
nikitadnepr [17]
Well first we can say that B. and D. are out BC they are physical changes we are looking for chemical changes when burning gas, the gas is burning and converting into heat energy AKA FIRE!!!. so the answer is indeed (A. <span>Chemical bonds are broken and others are formed.)
</span>
<span />BTW im not a girl every one ask that. the girls in the pic is my GF
any ways i hope you can learn something new from this. :) <3  have any amazing day

3 0
2 years ago
Read 2 more answers
2.25 g/ml at 700mmHg, 200 C. Find molar mass of gas.
Harrizon [31]

Answer:

Molar mass = 94972.745 g/mol

Explanation:

Given data:

Density = 2.25 g/ml

Pressure = 700 mmHg

Temperature = 200°C

Molar mass = ?

Solution:

Density = 2.25 g/ml (2.25×1000 = 2250 g/L)

Pressure = 700 mmHg (700/760 = 0.92 atm)

Temperature = 200°C (200+273 = 473K)

Formula:

d = PM/RT

M = dRT/P

M = 2250 g/L × 0.0821 atm.L /mol.K ×  473K / 0.92 atm

M = 87374.93 g/mol / 0.92

M = 94972.745 g/mol

6 0
3 years ago
What is the mass of 8 moles of sodium (Na) atoms?
omeli [17]
A .

1 mol of sodium na atoms -22.99
22.99 x 8 =183.92

Closest answer
6 0
2 years ago
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