4 years ago

PLEASE HELP!!!

1 answer:

NemiM [27]4 years ago

7 0

Answer:deez nuggars

Explanation:

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grin007 [14]

Well a mixture is less permanent and also it can be easily taken aprt where a compound does the opposite of those things.

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spayn [35]

Co2 and Fe are the products the other two are reactants.

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maxonik [38]

Answer: the person standing up

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ikadub [295]

pH of buffer solution : 4.32

<h3>Further explanation </h3>

A buffer solution is a solution that can maintain a good pH value due to the addition of a little acid or a little base or dilution.

The buffer solution can be acidic or basic

Acid buffer solutions consist of weak acids(H₂CO₃) and their salts.(NaHCO₃)

mol H₂CO₃

$\tt 0.032\times 0.25=0.008$

mol NaHCO₃

$\tt 0.02\times 0.15=0.003$

$\tt [H^+]=Ka\dfrac{mole~weak~acid}{mole~salt}\\\\(H^+]=1.8\times 10^{-5}\dfrac{0.008}{0.003}=4.8\times 10^{-5}\\\\pH=5-log~4.8=4.32$

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3 years ago