A solution contains 15 ppm of benzene. The density of the solution is 1.00 g/mL. This means that __________.
- 100 g of the solution contains 15 mg of benzene
- the solution is 15% by mass of benzene
- 100 g of the solution contains 15 g of benzene
- the molarity of the solution is 15
- there are 15 mg of benzene in 1.0 L of this solution
Answer: there are 15 mg of benzene in 1.0 L of this solution.
Chemistry
- Which of the following objects, all moving at the same speed, will have the highest de Broglies wavelength?
- Which of the following is a correct formation reaction?
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- Which of the following substances is a strong acid?
- Which of the following is a weak base?
- Which of the following is a redox reaction?
- Which of the following will produce a precipitate?
- Which of the following is not ionic?
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- Which of the following is a main group metal?
- Which of the following elements is liquid at room temperature?
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- Which of the following has the greatest number of electrons?
- An element with the atomic number twelve
- Which of the following is approximately room temperature?
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- The process of adding a known amount of solution of known concentration to determine the concentration of another solution is called
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- Which of these solutions is the most basic
- What is pH
- What is the charge on the hydronium ion
- Which of the following represents a Bronsted-Lowry conjugate acid-base pair