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lubasha [3.4K]
3 years ago
7

Need a quick answer!!!

Chemistry
1 answer:
Anna11 [10]3 years ago
7 0
N: 60 mol
p: 20 atm = 20×1013hPa = 20260 hPa
T: 50°C = 323 K
R: 83,14 hPa·dm³/mol·K
V: ?
.................

pV = nRT
V = nRT/p
V = (60×83,14×323)/20260
V = 79,529 dm³ ≈ 79,6 dm³

79,6 dm³ = 79,6 L

:•)
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A sample compound with a molar mass of 34.00g/mol is found to consist of 0.44g H and 6.92g O. Calculate both empirical and molec
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Empirical Formula

Step 1: Calculate mols of each element

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*note leave extra sig figs for calculations

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Step 2: Identify which is the smallest mol

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Step 4: use calculations as subscripts

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Step 1: identify  molecular mass and mass from the E.F

the molecular mass is given 34.00g/mol

the mass of the E.F is

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Step 2:Divide the molecular mass by the mass given by the emipirical formula.

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