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Vesna [10]
3 years ago
15

A solution has a pH of 2.5. What is its [OH-] ?

Chemistry
1 answer:
gulaghasi [49]3 years ago
8 0
POH=14-pH=14-2.5=11.5 pH=-log[H+] 2.5=-log [H+] [H+]=10^-5/2 [OH-]=10^(14-5/2)=10^23/2
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Please help me it is due in 5 minutes-!
Shtirlitz [24]

Answer:

1 zinc

Explanation:

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4 0
3 years ago
Sodium bicarbonate is reacted with concentrated hydrochloric acid at 37.0 °c and 1.00 atm. The reaction of 6.00 kg of bicarbonat
aleksklad [387]

Answer:

1837.89 Lt

Explanation:

The chemical reaction for this situation is:

NaHCO₃ + HCl → NaCL + H₂O + CO₂ ₍g₎

Where the mola mass we need are:

M NaHCO₃ = 84 g/mol

M CO₂ = 44 g/mol

As we have 6.00 Kg of sodium bicarbonate, then:

6 Kg NaHCO₃ = 71.43 moles of NaHCO₃

Due the stoichiometry of this chemaicl reaction:

1 mol NaHCO₃ = 1 mol CO₂

71.43 moles NaHCO₃ = 71.43 moles CO₂

And considering that CO₂ is an ideal gas, we can use the following formula:

PV=nRT

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T = 37°C = 310 K

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4 0
3 years ago
Read 2 more answers
The type of bond that forms between two atoms when electrons are shared is a(n) _______________ bond.
ollegr [7]
<span>covalent. When two atoms share valence electrons, such a type of a bond is called a covalent bond. An example of such a bond could be the H2 molecule, where two H (hydrogen) atoms share electrons in a covalent bond.</span>
8 0
4 years ago
How would one convert 36 yd to centimeters (2.54 cm = 1 in)
ValentinkaMS [17]
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3 0
4 years ago
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vodka [1.7K]

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Explanation:

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Here is a quick explanation of the molecular geometry of O3 including a quick description of the O3 bond angles.

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The 03 bond angle will be 116° degrees since it has a Bent molecular geometry

8 0
3 years ago
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