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DedPeter [7]
3 years ago
6

Cacl2 a strong Electrolyte

Chemistry
1 answer:
sattari [20]3 years ago
3 0

Answer:

ddndnndndndkzkaoaoowowjebd

Explanation:

nzndbdnxkskksksjsjsjsjsiisisjs

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To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 2.2-L bulb, then filled
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Answer:

N2

Explanation:

We use the ideal gas equation to calculate the number of moles of the diatomic gas. Then from the number of moles we can get

Given:

P = 2atm

1atm = 101,325pa

2atm = 202,650pa

T = 27 degrees Celsius = 27 + 273.15 = 300.15K

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PV = nRT

Rearranging n = PV/RT

Substituting these values will yield:

n = (202,650 * 2.2)/(8314.46* 300.15)

n = 0.18 moles

To get the molar mass, we simply divide the mass by the number of moles.

5.1/0.18 = 28.5g/mol

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Hence, the gas is nitrogen gas

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3 years ago
Please help!!!!! <br> Due soon really need help
Wewaii [24]

Answer:

a is 16 as the molar ratio is 4:2=2:1

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