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svlad2 [7]
3 years ago
13

Compare and contrast acids and bases in terms of their h+ ion and oh- ion concentrations.

Chemistry
1 answer:
Ksju [112]3 years ago
3 0
Acids mainly have H+ ions in their formulas. When ionized in water, acids yield H+ ions into the water.

Bases mainly have OH- ions in their formulas. When ionized in water, bases yield OH- ions into the water.

Based on this, we can conclude that acids have higher concentrations of H+ while bases have higher concentrations of OH-.

If a solution has equal concentrations of H+ and OH-, then this solution is said to be neutral.
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A lab technician mixes a 0.730 M solution of sodium bromide (NaBr) and water. The volume of the solution is 135 milliliters.
Ivenika [448]

Answer:

We need 10.14 grams of sodium bromide to make a 0.730 M solution

Explanation:

Step 1: Data given

Molarity of the sodium bromide (NaBr) = 0.730 M

Volume of the sodium bromide solution = 135 mL = 0.135 L

Molar mass sodium bromide (NaBr) = 102.89 g/mol

Step 2: Calculate moles NaBr

Moles NaBr = Molarity NaBr * volume NaBr

Moles NaBr = 0.730 M * 0.135 L

Moles NaBr = 0.09855 moles

Step 3: Calculate mass of NaBr

Mass NaBr = 0.09855 moles * 102.89 g/mol

Mass NaBr = 10.14 grams

We need 10.14 grams of sodium bromide to make a 0.730 M solution

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3 years ago
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Juli2301 [7.4K]

Explanation:

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5 0
2 years ago
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If 13 grams of copper sulfate is reacted with zinc how much of each product is produced?
Sladkaya [172]

Answer:

No. Of Moles of zinc = m/Ar

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Mass = no of Moles X Mr

Mass = 0.198 X 159.5 = 31.59 grams

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Explanation:

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A solution contains 35 g of NaCl per 100 g of water at 25 ∘C. Is the solution unsaturated, saturated, or supersaturated?
MatroZZZ [7]

Answer:

Explanation:

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