MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the concentration, in ppm, if 0.025 g of KCl is dissolved in 100 grams of water? |
| A. | 4 x 10<sup>3</sup> ppm |
| B. | 250 ppm |
| C. | 2.5 x 10<sup>-4</sup> ppm |
| D. | 2.5 ppm |
| Answer» C. 2.5 x 10<sup>-4</sup> ppm | |