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2 years ago

Relative atomic mass of tin sulphide

Chemistry

2 answers:

sweet-ann [11.9K]2 years ago

8 0

Answer:

150

Explanation:

Serga [27]2 years ago

6 0

Theoretical)
Compound Formula S2Sn
Density 4.5 g/cm3
Solubility in H2O Insoluble
Crystal Phase / Structure Rhombohedral
Exact Mass 183.846337

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A 13.5 g sample of an unknown gas occupies 5.10 L at 149.83 kPa and 301 K. What is the molar mass of the gas ?

alisha [4.7K]

Answer:

The molar mass of the gas is 44.19 g/mol

Explanation:

Amount of sample of gas = m = 13.5 g

Volume occupied by the gas = V = 5.10 L

Pressure of the gas = P = 149.83 KPa

1 KPa = 0.00986 atm

P = $149.83 \textrm{ KPa} \times 0.00986 \textrm{ atm/KPa} = 1.48 \textrm{ atm}$

Assuming M g/mol to be the molar mass of the gas

Assuming the gas is behaving as an ideal gas

$\textrm{PV} =\textrm{nRT} \\\textrm{PV} = \displaystyle \frac{m}{M}\textrm{ RT } \\1.48 \textrm{ atm}\times 5.10 \textrm{ L} = \displaystyle \frac{13.5 \textrm{ g}}{M}\times 0.0821 \textrm{ L.atm.mol}^{-1}.K^{-1}\times 301\textrm{K} \\M = 44.19 \textrm{ g/mol}$

The molar mass of gas is 44.19 g/mol

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Explanation:

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***Molarity is represented by either "M" or "c" depending on your teacher. I will use "c".

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