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mina [271]
3 years ago
9

Una

Chemistry
1 answer:
ikadub [295]3 years ago
5 0

Answer:

sólo hablo inglés

Explanation:

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How many atoms are in a sample of 175 grams of sodium (na)?
Phoenix [80]
1 Na = 23 g/mol

1 mole of Na atom contain an Avogadro Number of atoms .

23g of Na Na atom contain 6.02 * 10²³ atoms.

175 g of Na will contain:           175 *   <span>6.02 * 10²³ / 23 
</span>       
                                                  ≈ 4.580 * 10²⁴ atoms of Na.
6 0
4 years ago
What is the kinetic product obtained from the addition of 1 mole of bromine to 1,3-butadiene?
Sveta_85 [38]

From the addition of 1 equivalent of HBr to 1,3-butadiene, 3-bromo-1-butene is obtained as a product.

What is moles?

Moles are defined as the smallest base unit that is equivalent to 6.02214 X 10^{23} units.

Moles are chemical entities, which are used to measure the mass or molecular mass of the compound, molecule, or atom. The moles are, for example can be explained as equal to the mass of the atom. For example, there is one mole in 12 grams of carboncarbon.

Thus the kinetic product formed is 3-bromo-1-butene.

Learn more about mole or mole fraction:

brainly.com/question/16031532

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7 0
2 years ago
A 515cm^3 flask contains 0.460 g of a gas at a pressure of 153 kPa and a temperature of 322K. What is the molecular mass of this
erastovalidia [21]

Answer:

Molecular mass, M=28.89\ \text{g/mol}

Explanation:

Given that,

Mass of gas, m = 0.46 g

Volume of the container, V = 515 cm^3

Pressure, P = 153 kPa

Temperature, T = 322 K

We need to find the molecular mass of this gas. We know that,

PV =nRT

n = no of moles

n=\dfrac{PV}{RT}\\\\n=\dfrac{153\ kPa\times 0.515\ L}{8.31447\ LkPaK^{-1}{mol^{-1}}\times (322+273)\ K }\\\\n=0.01592\ \text{moles}

No of moles = mass/molecular mass

Let molecular mass is M

M=\dfrac{m}{n}\\\\M=\dfrac{0.46}{0.01592}\\\\M=28.89\ \text{g/mol}

So, the molecular mass of this gas is 28.89\ \text{g/mol}

7 0
3 years ago
Haii i hope your doing great!<br> i need helpp:)
alina1380 [7]
Amplitude is 5m and wavelength is 100m

!let me know if I'm wrong bc im a little rusty!
4 0
3 years ago
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What is the volume, in milliliters, of 6.60 g of acetone?
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8.40 ml. I think that is right.
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3 years ago
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