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Nadya [2.5K]
3 years ago
6

How many moles are 1.20×10^25 atoms of phosphorous

Chemistry
1 answer:
wlad13 [49]3 years ago
7 0

19.9. There are 19.9 mol P in 1.20×10^25 atoms P.

Use <em>Avogadro’s numbe</em>r to convert atoms of P to moles of P

Moles of P = 1.20 × 10^25 atoms P × (1 mol P/6.022 × 10^23 atoms P)

= 19.9 mol P


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Archy [21]

The theoretical yield of H₂S is 13.5 g.

The percent yield is 75.5 %.

<h3>What is the theoretical yield of H₂S from the reaction?</h3>

The equation of the reaction is given below:

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Moles of FeS reacting = mass/molar mass

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4 0
1 year ago
What volume is occupied by 8.7 g of chlorine gas, Cl2, at 23°C and 1.15 atm pressure
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Answer:

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PV = nRT

P = pressure of the gas

V = volume of the gas

n = no. Of moles

R = ideal gas constant

T = temperature of the gas

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No. Of moles = 8.7 / 35.5

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V = 5.17L

The volume of the gas is 5.17L

4 0
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