2 years ago

10 Points! Help please!

Chemistry

1 answer:

icang [17]2 years ago

8 0

Your answer to that question is Fand N

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How many moles of a gas sample are in a 20.0 L container at 373 K and 203 kPa? The gas constant is 8.31 L-kPa/mol-K. 0.33 moles

Gennadij [26K]

We need to use the ideal gas formula--> PV= nRT
P, pressure= 203 kPa
V, volume= 20.0 Liters
n, moles= ?
R, constant= <span>8.31 L-kPa/mol-K
T, temperature= 373 K

now, lets plug these values into the formula

(203)(20.0)= (n)(8.31)(373)

n= 1.31 moles</span>

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11. True

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2 years ago

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One mole of the acid HCl requires how many moles of OH- for neutralization?

Sergeeva-Olga [200]

Answer:

One mole of the hydrochloric acid requires one mole of hydroxide ions to be neutralized.

Explanation:

Hydrochloric acid is a very strong acid an it fully dissociates at all concentrations. The neutralization of hydrochloric acid is conventional and any inorganic base such as sodium hydroxide can be used. Having a one molar hydrochloric acid solution means that for each mole of hydrochloric acid produces one mole of protons requiring one mole of hydroxide hydroxide ions to neutralize.

This can be illustrated by the equation shown below.