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dimulka [17.4K]
3 years ago
6

a particular compound has the empirical formula CH2O. its molar mass is 240.0 g/mol. predict the molecular formula for this comp

ound.
Chemistry
1 answer:
jarptica [38.1K]3 years ago
7 0
<span>The molecular formula is 8(CH2O)= C8H16O8.</span>
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Explanation:

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3 years ago
at standard pressure, what is the temperature at which a saturated solution of NH4Cl has a concentration of 60g NH4CL/100 g H2O
Nataliya [291]

Answer: Temperature = T, unknown

Saturated Solution, NH4Cl concentration = 60g/100g H2O = 0.6g NH4Cl/g H2O

Assume density of H2O = 1 g/ml

m = 0.6g NH4Cl/g H2O / 1 g/ml

m = 0.6g NH4Cl/ml

See the table of saturated solutions and identify the temperature at which the concentration of NH4Cl is 60g/100g H2O.

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3 years ago
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What is this equation balanced?
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3 years ago
Hurry please!
Pani-rosa [81]

Answer : The mass of of water present in the jar is, 298.79 g

Solution : Given,

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The solubility of barium nitrate at 20^oC is 9.02 gram per 100 ml of water.

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So, 27 gram of barium nitrate present in \frac{27g}{9.02g}\times 100ml=299.33ml of water

The volume of water is 299.33 ml.

As we know that the density of water at 20^oC is 0.9982 g/ml

Now we have to calculate the mass of water.

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Therefore, the mass of of water present in the jar is, 298.79 g

5 0
3 years ago
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