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- why a plasma sample especially EDTA could not be used for direct ISE electrolytes machineAppropriate pippetor for measuring 10ul of liquid is: 200 1000 20You start working in a new laboratory. When you arrive, you find a few vials on the bench. The description on one vial has been smeared and you cannot make out what the liquid is. The following is still legible: The volume is: 50 mL The concentration is: 1.5 M The label says: xx g was originally added The bit you can make out says: XxSO4 What is the sample?
- A 46.60-gram pycnometer was filled with 100.50 grams of liquid. When filled with insoluble powder, the pycnometer weighs 84.60 grams. When the insoluble powder and liquid were combined, the pycnometer weighed 172.8 grams. What is the relative density of the insoluble powder? 2.1 2.6 3.1 None of the AboveTo prepare 250 ml of a 1:2,500 solution a technician must weigh900 mL saturated solution (potassium sulphate) was made at 30 degrees celsius. If the solution is heated to 50 degrees celsius, how much more potassium sulphate can dissolve now? Typed out would be preferred, or neat handwriting.
- Which of the following is/are source/s of error in performing a spectrophotometric method? Answer all that apply. Sample is turbid when the absorbance is read. The absorbances were read at maximum absorption. Standard solutions are prepared accurately. The cuvettes have fingerprints.Materials: Pipette/pipet Volumetric Flask Reagent Bottle Reagent Classifications: (USP, CP, AR, TG, and others) Kindly describe EACH of the items above: the use/s and proper handling (please include pictures)I need to calculate the total change in pH
- A 46.60-gram pycnometer was filled with 100.50 grams of liquid. When filled with insoluble powder, the pycnometer weighs 84.60 grams. When the insoluble powder and liquid were combined, the pycnometer weighed 172.8 grams. What is the relative density of the insoluble powder?Solidification is the process of changing the state of the material from .. powder to solid liquid to solid. solid to liquid. solid to solid none of the above OO 0oobo