The number of moles of H + ions that are present in 1.40 L of 0.25 M perchloric acid is to be calculated. Concept introduction: Acid is a substance that dissociates in water to release H + ions. Depending upon the strength the acids can be classified into two types: 1. Strong acids 2. Weak acids Strong acids are the substance that dissociates completely into its ions when dissolved in the solution. They dissociate completely in water to release H + ions. They behave as strong electrolytes and conduct a large amount of electricity. Weak acids are the substance that does not dissociates completely into its ions when dissolved in the solution. They dissociate partially in water to release H + ions. They behave as weak electrolytes and conduct less amount of electricity.
The number of moles of H + ions that are present in 1.40 L of 0.25 M perchloric acid is to be calculated. Concept introduction: Acid is a substance that dissociates in water to release H + ions. Depending upon the strength the acids can be classified into two types: 1. Strong acids 2. Weak acids Strong acids are the substance that dissociates completely into its ions when dissolved in the solution. They dissociate completely in water to release H + ions. They behave as strong electrolytes and conduct a large amount of electricity. Weak acids are the substance that does not dissociates completely into its ions when dissolved in the solution. They dissociate partially in water to release H + ions. They behave as weak electrolytes and conduct less amount of electricity.
The number of moles of H+ ions that are present in 1.40 L of 0.25M perchloric acid is to be calculated.
Concept introduction:
Acid is a substance that dissociates in water to release H+ ions. Depending upon the strength the acids can be classified into two types:
1. Strong acids
2. Weak acids
Strong acids are the substance that dissociates completely into its ions when dissolved in the solution. They dissociate completely in water to release H+ ions. They behave as strong electrolytes and conduct a large amount of electricity.
Weak acids are the substance that does not dissociates completely into its ions when dissolved in the solution. They dissociate partially in water to release H+ ions. They behave as weak electrolytes and conduct less amount of electricity.
(b)
Interpretation Introduction
Interpretation:
The number of moles of H+ ions that are present in 6.8 mL of 0.92M nitric acid is to be calculated.
Concept introduction:
Acid is a substance that dissociates in water to release H+ ions. Depending upon the strength the acids can be classified into two types:
1. Strong acids
2. Weak acids
Strong acids are the substance that dissociates completely into its ions when dissolved in the solution. They dissociate completely in water to release H+ ions. They behave as strong electrolytes and conduct a large amount of electricity.
Weak acids are the substance that does not dissociates completely into its ions when dissolved in the solution. They dissociate partially in water to release H+ ions. They behave as weak electrolytes and conduct less amount of electricity.
(c)
Interpretation Introduction
Interpretation:
The number of moles of H+ ions that are present in 2.6 L of 0.085M hydrochloric acid is to be calculated.
Concept introduction:
Acid is a substance that dissociates in water to release H+ ions. Depending upon the strength the acids can be classified into two types:
1. Strong acids
2. Weak acids
Strong acids are the substance that dissociates completely into its ions when dissolved in the solution. They dissociate completely in water to release H+ ions. They behave as strong electrolytes and conduct a large amount of electricity.
Weak acids are the substance that does not dissociates completely into its ions when dissolved in the solution. They dissociate partially in water to release H+ ions. They behave as weak electrolytes and conduct less amount of electricity.
9. OA. Rank the expected boiling points of the compounds shown below from highest to lowest. Place your answer
appropriately in the box. Only the answer in the box will be graded. (3) points)
OH
OH
بر بد بدید
2
3
There is an instrument in Johnson 334 that measures total-reflectance x-ray fluorescence (TXRF) to do elemental analysis (i.e., determine what elements are present in a sample). A researcher is preparing a to measure calcium content in a series of well water samples by TXRF with an internal standard of vanadium (atomic symbol: V). She has prepared a series of standard solutions to ensure a linear instrument response over the expected Ca concentration range of 40-80 ppm. The concentrations of Ca and V (ppm) and the instrument response (peak area, arbitrary units) are shown below. Also included is a sample spectrum. Equation 1 describes the response factor, K, relating the analyte signal (SA) and the standard signal (SIS) to their respective concentrations (CA and CIS).
Ca, ppm
V, ppm
SCa, arb. units
SV, arb. units
20.0
10.0
14375.11
14261.02
40.0
10.0
36182.15
17997.10
60.0
10.0
39275.74
12988.01
80.0
10.0
57530.75
14268.54
100.0…
A mixture of 0.568 M H₂O, 0.438 M Cl₂O, and 0.710 M HClO are enclosed in a vessel at 25 °C.
H₂O(g) + C₁₂O(g) = 2 HOCl(g)
K = 0.0900 at 25°C
с
Calculate the equilibrium concentrations of each gas at 25 °C.
[H₂O]=
[C₁₂O]=
[HOCI]=
M
Σ
M
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