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NNADVOKAT [17]
3 years ago
8

Identify the base in this acid-base reaction: NaOH + HCI --- NaCl + H,0

Chemistry
2 answers:
Stella [2.4K]3 years ago
6 0

Answer: NaOH

Explanation:

alina1380 [7]3 years ago
3 0

Answer:

NaOH would be the base

Explanation:

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false

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Find the volume of 20g of H₂ at STP<br><br>​
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Answer:224

Explanation:

We should answer it with Stoichiometry

We say: 20 g H2× (1 mol/ 2g)× ( 22.4 lit/ 1 mol) = 224

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hope you got this:)

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History of Aluminum​
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4 years ago
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Titration of a 20.0-mL sample of acid rain required 1.7 mL of 0.0811 M NaOH to reach the end point. If we assume that the acidit
Rasek [7]

Answer:

Concentration of sulfuric acid in the acid rain sample is 0.0034467 mol/L.

Explanation:

Volume of NaOH = 1.7 ml = 0.0017 L

Molarity of NaOH = 0.0811 M

Moles of NaOH = n

0.0811 M=\frac{n}{0.0017 L}

n = 0.0001378 mol

H_2SO_4+2NaOH\rightarrow Na_2SO_4+2H_2O

According to reaction, 2 mol of NaOH neutralize 1 mol of sulfuric acid.

Then 0.0001378 mol of NaOH will neutralize:

\frac{1}{2}\times 0.0001378 mol=6.8935\times 10^{-5} mol of sulfuric acid.

Concentration of sulfuric acid in the acid rain sample: x

x=\frac{6.8935\times 10^{-5}}{0.02 L}=0.0034467 mol/L

Concentration of sulfuric acid in the acid rain sample is 0.0034467 mol/L.

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The properties of a mineral depend on the ________ of mineral being examined.
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The properties of a mineral depend on the kind of atoms of mineral being examined

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