Concept explainers
(a)
Interpretation:
The concentration of
(a)
Answer to Problem 137QRT
The concentration of
Explanation of Solution
Given information is given as,
As known,
So,
Conversion of ppm to ppb as follows,
Hence, the concentration of
(b)
Interpretation:
The molarity of
(b)
Answer to Problem 137QRT
The molarity of
Explanation of Solution
A sample of exactly
Hence, molarity of
(c)
Interpretation:
From one metric ton of cassiterite, number of
(c)
Answer to Problem 137QRT
The number of bottles calculated as
Explanation of Solution
The given reaction;
In exactly one metric ton,
So, the actual mass of Tin is,
The theoretical mass of
The actual mass of
Number of bottles is calculated by using bottle volume; which is calculated by molarity obtained
Hence, number of bottles calculated as is
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Chapter 13 Solutions
Chemistry: The Molecular Science
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- 148. Addition of 50.00 mL of 2.238 m H2SO4 (solution density = 1.1243 g/mL) to 50.00 mL of 2.238 M BaCl2 gives a white precipitate. (a) What is the mass of the precipitate in grams? (b) If you filter the mixture and add more H2SO4 solution to the filtrate, would you obtain more precipitate? Explain.arrow_forwardA 0.100-L solution is made by dissolving 0.441 g of CaCl21s2 in water. (a) Calculate the osmotic pressure of this solution at 27 °C, assuming that it is completely dissociated into its component ions.arrow_forwardImagine carbon dioxide (CO2) gas is generated by reacting aqueous sodium bicarbonate with aqueous acetic acid. As the gas bubbles from the surface of the solution, the gas is trapped by a large test tube which was turned upside down and the end submerged below the level of the solution. When you analyze the gas trapped in the tube, you find that it contains not only carbon dioxide but water as well. (i) Explain why water vapor is present in the gas sample in the tube. As part of your explanation, be sure to (ii) include an appropriate, labeled diagram.arrow_forward
- Imagine carbon dioxide (CO2) gas is generated by reacting aqueous sodium bicarbonate with aqueous acetic acid. As the gas bubbles from the surface of the solution, the gas is trapped by a large test tube which was turned upside down and the end submerged below the level of the solution. When you analyze the gas trapped in the tube, you find that it contains not only carbon dioxide but water as well. (i) Explain why water vapor is present in the gas sample in the tube. Be sure to include an appropriate, labeled diagram.arrow_forward(A) if both sentences are true,(B) if both sentences are false,(C) if the first sentence is true but the second is false, and(D) if the first sentence is false but the second is true. 1. In the Winkler Titration Method, sodium thiosulfate is standardized against a known concentration of magnesium iodate. The normality (N) of a solution is always equal to its molarity (M). 2. In the experiment on determining the dissolved oxygen concentration of a water sample, the compound used to acidify the sample was hydrochloric acid. An acidic solution will have a pH greater than 7. 3. Radioactive wastes, like uranium, must be handled and disposed of according to special regulations designed to protect people and the environment. Nuclear power plants produce too much greenhouse gases due to the burning of uranium.arrow_forwardwhat mass of solid lanthanum oxalate nonahydrate can be obtained from 650 ml of 0.0170 m aqueous solution of LaCl3 by adding a stoichiometric amount of sodium oxalatearrow_forward
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