The number of mole of carbon dioxide, CO₂ formed from the reaction is 0.0632 mole.
<h3>How to determine the mole of NaHCO₃</h3>
- Molarity of NaHCO₃ = 2 M
- Volume = 31.6 mL = 31.6 / 1000 = 0.0316 M
- Mole of NaHCO₃ =?
Mole = Molarity x Volume
Mole of NaHCO₃ = 2 × 0.0316
Mole of NaHCO₃ = 0.0632 mole
<h3>How to determine the mole of CO₂</h3>
NaHCO₃ + HCl —> CO₂ + H₂O + NaCl
From the balanced equation above,
1 mole of NaHCO₃ reacted to produce 1 mole of CO₂.
Therefore,
0.0632 mole of NaHCO₃ will also react to produce 0.0632 mole of CO₂.
Thus, 0.0632 mole of CO₂ was obtained from the reaction
Learn more about stoichiometry:
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<h3 /><h3>How do rock types contribute to the rate of weathering?</h3>
<h3>Answer
<em>;</em><em> </em><em> </em><em>Certain types of rock are very resistant to weathering. Igneous rocks, especially intrusive igneous rocks such as granite, weather slowly because it is hard for water to penetrate them. Other types of rock, such as limestone, are easily weathered because they dissolve in weak acids.</em></h3>
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Acetic acid and ether are pure substance because they can not be further broken down.
<h3>What is a homogeneous mixture?</h3>
A homogenous mixture consists only of single phase. A solution is comprised of a solute and a solvent while a colloid is a false solution.
The following is a classification of each of the items;
1- Acetic acid - pure substance
2- Ether - pure substance
3- Vinegar - homogeneous mixture
4- Gravy - colloid
5- Beef stew - colloid
6- Seltzer water - solution
7- Salad - colloid
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Mising parts;
Classify each of the following as a pure substance, homogeneous mixture, solution, or colloid.
1- Acetic acid
2- Ether
3- Vinegar
4- Gravy
5- Beef stew
6- Seltzer water
7- Salad
