MCQOPTIONS
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| 1. |
The dilution of solution must not reduce the level of ammonia below _________ |
| A. | 10<sup>-2</sup> M |
| B. | 10<sup>-5</sup> M |
| C. | 10<sup>-8</sup> M |
| D. | 10<sup>-9</sup> M |
| Answer» B. 10<sup>-5</sup> M | |