(a)
Interpretation: The name of the technique for the separation of table salt and pepper is to be interpreted.
Concept introduction:
A mixture consists of two or more components that can be physically separated into their respective components. The mixture can be categorized as homogeneous or heterogeneous depending on how uniform it is.
There are several separation techniques used to separate the components of the mixture. Some common examples of separation techniques are evaporation, distillation, fractional distillation, etc.
(b)
Interpretation: The name of the technique for the separation of drinking water contaminated with soot is to be interpreted.
Concept introduction:
A mixture consists of two or more components that can be physically separated into their respective components. The mixture can be categorized as homogeneous or heterogeneous depending on how uniform it is.
There are several separation techniques used to separate the components of the mixture. Some common examples of separation techniques are evaporation, distillation, fractional distillation, etc.
(c)
Interpretation: The name of the technique for the separation of crushed ice and crushed glass is to be interpreted.
Concept introduction:
A mixture consists of two or more components that can be physically separated into their respective components. The mixture can be categorized as homogeneous or heterogeneous depending on how uniform it is.
There are several separation techniques used to separate the components of the mixture. Some common examples of separation techniques are evaporation, distillation, fractional distillation, etc.
(d)
Interpretation: The name of the technique for the separation of table sugar dissolved in ethanol is to be interpreted.
Concept introduction:
A mixture consists of two or more components that can be physically separated into their respective components. The mixture can be categorized as homogeneous or heterogeneous depending on how uniform it is.
There are several separation techniques used to separate the components of the mixture. Some common examples of separation techniques are evaporation, distillation, fractional distillation, etc.
(e)
Interpretation: The name of the technique for the separation of two pigments (chlorophyll a and chlorophyll b) is to be interpreted.
Concept introduction:
A mixture consists of two or more components that can be physically separated into their respective components. The mixture can be categorized as homogeneous or heterogeneous depending on how uniform it is.
There are several separation techniques used to separate the components of the mixture. Some common examples of separation techniques are evaporation, distillation, fractional distillation, etc.

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Chapter 2 Solutions
LL CHEM: MOL NAT CHNG W/CNCT AC
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- Predicting the qualitative acid-base properties of salts Consider the following data on some weak acids and weak bases: base acid K K a name formula name formula nitrous acid HNO2 4.5×10 hydroxylamine HONH2 1.1 × 10 8 hypochlorous acid HCIO 8 3.0 × 10 methylamine CH3NH2 | 4.4 × 10¯ 4 Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. 0.1 M KCIO solution PH choose one 0.1 M NaNO2 0.1 M CH3NH3Br 0.1 M NaBr choose one ✓ choose one v ✓ choose one 1 (lowest) ☑ 2 3 4 (highest)arrow_forwardFor this Orgo problem, don't worry about question 3 below it. Please explain your thought process, all your steps, and also include how you would tackle a similar problem. Thank you!arrow_forwardUsing the general properties of equilibrium constants At a certain temperature, the equilibrium constant K for the following reaction is 0.84: H2(g) + 2(g) 2 HI(g) = Use this information to complete the following table. Suppose a 34. L reaction vessel is filled with 0.79 mol of HI. What can you say about the composition of the mixture in the vessel at equilibrium? There will be very little H2 and 12. ☐ x10 There will be very little HI. Neither of the above is true. What is the equilibrium constant for the following reaction? Be sure your answer has the correct number of significant digits. 2 HI(g) H₂(9)+12(9) K = What is the equilibrium constant for the following reaction? Be sure your answer has the correct number of significant digits. 2 H2(g)+212(9) 4 HI(g) K = ☐ ☑arrow_forward
- Predicting the qualitative acid-base properties of salts Consider the following data on some weak acids and weak bases: base acid Κα Kb name formula name formula hydrocyanic acid - 10 HCN 4.9 × 10 pyridine C₂H₂N 1.7 × 10 9 acetic acid HCH3CO2 1.8 × 10 5 hydroxylamine HONH2 1.1 × 10¯ 8 Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. 0.1 M KCN solution pH choose one ✓ 0.1 M C5H5NHCI choose one ✓ 0.1 M NaCH3CO2 choose one ✓ 0.1 M HONH3Br ✓ choose one 1 (lowest) 2 3 4 (highest)arrow_forwardFor this question please solve the first question. Please explain your thought process, the steps you took, and how you would tackle a similar problem. Thank you for your help!arrow_forwardPart C A solution that is 0.040 M in HCIO4 and 0.046 M in HCI Express your answer numerically to two decimal places. ΜΕ ΑΣΦ ? pH = Submit Request Answer Part D A solution that is 1.08% HCl by mass (with a density of 1.01 g/mL) Express your answer numerically to three decimal places. ΜΕ ΑΣΦ -> 0 ? pH =arrow_forward
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