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3 years ago

Calculate the ph of 0.62 NaOH

Chemistry

1 answer:

ivann1987 [24]3 years ago

8 0

Answer: 13.79

Explanation: c(NaOH) = 0.62 mol/l, andc(OH-) = 0.62 mol/l.

Because pH +pOH = 14.00 and pOH = -log(OH) = -log(0.62) = 0.2076

Then PH= 14.00-0.2076 = 13.79

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Well since covalent bonds are strong and diamonds contains a lot of covalent bonds, it makes the diamond's melting point and boiling point very high.

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Answer:

We will use ideal gas equation in this problem

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Where

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R = ideal gas equation = 0.0821 L atm / mol K

Putting values

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3 years ago

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elena-s [515]

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Explanation:

For formation of a neutral ionic compound, the charges on cation and anion must be balanced. The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.

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b) Oxygen and strontium : Here strontium is having an oxidation state of +2 called as $Sr^{+}$ cation and oxygen forms an anion $O^{2-}$ with oxidation state of -2. Thus they combine and their oxidation states are exchanged and written in simplest whole number ratios to give neutral $SrO$ named as strontium oxide.

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3 years ago

If a solid piece of naphthalene is heated and remains at 80°C until it is completely melted, you know that 80ºC is the

Rom4ik [11]

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Melting point of a substance is temperature at which given solid changes its state from solid to liquid. It is also referred as freezing point of the substance.

Freezing point of substance is a temperature at which given substance changes its state from liquid to solid.

Here, the solid piece of naphthalene is heated and remains at 80°C until it is completely melted.

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3 years ago

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