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2 years ago

What will be the colour of Naoh solution when added to phenolphthalein

Chemistry

1 answer:

MakcuM [25]2 years ago

4 0

Explanation:

determine the level of your emotional maturity.

CAN YOU KEEP YOUR CALMNESS IN STRESSFUL SITUATION?

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Explanation:

the value is 6 because its an even number

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2 years ago

Which reactions are exothermic?

poizon [28]

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2 years ago

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Calcium = 1
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2 years ago

7.02 x 10^23 molecules of X2, a ssubstance consisting of diatomic molecules, has a mass of 296 grams. Determine the atomic weigh

Fiesta28 [93]

Answer:

d. 127 g/mol.

Explanation:

Hello!

In this case, since we have the amount of molecules of this this compound, we are able to compute the moles out there by using the Avogadro's number:

$mol=7.02x10^{23}molec*\frac{1mol}{6.022x10^{23}molec}=1.17mol$

Which correspond to the moles of X2. Then, by using the mass we are able to compute the molar mass of X2:

$MM=\frac{296g}{1.17mol}\\\\MM=254g/mol$

It means that the atomic mass of X halves the molar mass of X2, which is then d. 127 g/mol.

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2 years ago

Can someone plz explain ionic and covalent bonding plzzzz!!!

Alexeev081 [22]

Answer:

Ionic Bonding: The formation of an Ionic bond is the result of the transfer of one or more electrons from a metal onto a non-metal.

Covalent Bonding: Bonding between non-metals consists of two electrons shared between two atoms.

Explanation:

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2 years ago

What will be the colour of Naoh solution when added to phenolphthalein​

What will be the colour of Naoh solution when added to phenolphthalein