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3 years ago

15

How many grams of sodium metal are needed to react completely with 25.8 liters of chlorine gas at 293 Kelvin and 1.30 atmosphere

s?

1 answer:

Kitty [74]3 years ago

5 0

I think it takes about 278g but I'm not 100% sure

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What term refers to rows of elements

qaws [65]

Period are going left to right across the periodic table
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How many grams of lithium sulfide (Li2S) are in 275 g of a 16 % aqueous solution of Li2S?

krok68 [10]

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Explanation:

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2 years ago

A scientist found a new species in a rain forest. The species was small and green in color. She examined one of its many cells a

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n acid with a pKa of 8.0 is present in a solution with a pH of 6.0. What is the ratio of the protonated to the deprotonated form

Nady [450]

Answer : The ratio of the protonated to the deprotonated form of the acid is, 100

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$pK_a=8.0$

pH = 6.0

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$pH=pK_a+\log \frac{[Salt]}{[Acid]}$

$pH=pK_a+\log \frac{[Deprotonated]}{[Protonated]}$

Now put all the given values in this expression, we get:

$6.0=8.0+\log \frac{[Deprotonated]}{[Protonated]}$

$\frac{[Deprotonated]}{[Protonated]}=0.01$

As per question, the ratio of the protonated to the deprotonated form of the acid will be:

$\frac{[Protonated]}{[Deprotonated]}=100$

Therefore, the ratio of the protonated to the deprotonated form of the acid is, 100

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2 years ago

Solid diarsenic trioxide reacts with fluorine gas (F2) to produce liquid arsenic pentafluoride and oxygen gas (O2). Write the Qc

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Explanation:

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