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To measure 5.0 ul, use theset at(Select all correct answers )This volume cannot be measured with these pipettorsA1o; 005A1o: 050A10O; 005...

Question

To measure 5.0 ul, use theset at(Select all correct answers )This volume cannot be measured with these pipettorsA1o; 005A1o: 050A10O; 005

To measure 5.0 ul, use the set at (Select all correct answers ) This volume cannot be measured with these pipettors A1o; 005 A1o: 050 A10O; 005



Answers

Many medical laboratory tests are run using 5.0$\mu \mathrm{L}$ blood serum. What is this volume in milliliters?

To solve for the volumes of the weak acid, which is nitrous acid, and its contract based sodium nitrite. In order to reach a pH of 3.55 with the total volume of one leader, we need to divide to find the volumes of each of them in terms of variables. So we'll say X is equal to the volume of base that we need and why is equal to the volume of acid and the some of these is going to be one leader. We can then use the Henderson Hassle Baulch equation with the target. PH of 3.55 will be equal to the p K A. The negative log of 4.0 times 10 the negative four, which is the K A of nitrous acid, plus the log of the unknown volume of the base X multiplied by its concentration, divided by the unknown volume the acid. Why? But why is going to be equal to one minus X multiplied by its concentration? Then we do some algebra to solve for X. This value right here is 3.398 within subtract 3.398 from both sides and then we do the anti log based tangible sides. 10 to the 100.152 is 1.419 And then, of course, tend to the log of this ratio is just the ratio within. Multiply both sides by the denominator 0.5 minus 0.5 times X, and we get this. And then we add 0.7095 x to both sides and then divide both sides by 1.2095 and X ends up being 0.59 Leaders of the base sodium nitrite and then why ends up being the leaders of the acid? Nitrous are yeah, nitrous acid 0.41

You guys need to stroke from them. 30. In this problem, we need to choose a range for 1 58.6 villages of water given measurement days on 58.6 million later. We know that that you were in management. You're in mission. Wendy's lost finance at a 0.1. I mean really do therefore the range. How to measure my loins. 1 58.6 plus 0.1. I mean you need to two 1 58.6 minions, Their point one million later to 1 58.6 class and 3.1 millimeter. Which gives us 1 58.5. I mean the leader two 1 58.7 million later. Therefore, option is the right answer.


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