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Marrrta [24]
2 years ago
12

Zn + __HCI → __ZnCl + _H2​

Chemistry
1 answer:
DerKrebs [107]2 years ago
8 0

I LOVE balancing chemical equations!

Answer:

2 Zn + 2 HCl -> 2 ZnCl + 1 H₂

Explanation:

These coefficients correct balance this equation.

Please add me as Brainliest, I need it to move onto the next level.

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The Rio Grande river flows through the South Texas Plains ecoregion of Texas. The river is a major source of water for cities an
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Why is potasium oxide not used to investigate property of hydrogen gas​
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Because potassium is more reactive than hydrogen

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Sodium hydroxide, NaOH, reacts with sulfuric acid, H,SO,, in a neutralization reaction to
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10.6 grams is approximately 0.10 moles. So you would need about 0.10 moles of sulfuric acid. That converts to about 9.80 grams.

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hi girl i also wrote this in my test today so maube i hope it is correct.

mark me as brainliest if it helped you

7 0
2 years ago
The mechanism for producing a concentrated urine involves all of the following except
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The correct answer is "obligatory water reabsorption in the proximal convoluted tubule".

Explanation:

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Have a nice day!

4 0
3 years ago
Calculate the volume in mL of 0.279 M Ca(OH)2 needed to neutralize 24.5 mL of 0.390 M H3PO4 in a titration.
Vsevolod [243]

The volume of the 0.279 M Ca(OH)₂ solution required to neutralize 24.5 mL of 0.390 M H₃PO₄ is 51.4 mL

<h3>Balanced equation </h3>

2H₃PO₄ + 3Ca(OH)₂ —> Ca₃(PO₄)₂ + 6H₂O

From the balanced equation above,

  • The mole ratio of the acid, H₃PO₄ (nA) = 2
  • The mole ratio of the base, Ca(OH)₂ (nB) = 3

<h3>How to determine the volume of Ca(OH)₂ </h3>
  • Molarity of acid, H₃PO₄ (Ma) = 0.390 M
  • Volume of acid, H₃PO₄ (Va) = 24.5 mL
  • Molarity of base, Ca(OH)₂ (Mb) = 0.279 M
  • Volume of base, Ca(OH)₂ (Vb) =?

MaVa / MbVb = nA / nB

(0.39 × 24.5) / (0.279 × Vb) = 2/3

9.555 / (0.279 × Vb) = 2/3

Cross multiply

2 × 0.279 × Vb = 9.555 × 3

0.558 × Vb = 28.665

Divide both side by 0.558

Vb = 28.665 / 0.558

Vb = 51.4 mL

Thus, the volume of the Ca(OH)₂ solution needed is 51.4 mL

Learn more about titration:

brainly.com/question/14356286

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