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What is the average sperm count in a 45 year old man?
My average as a 44 year old is 170m per ml. That was tested by a fertility clinic. I supp ose It's down to a good diet no drinking smoking or drugs.
How many mL are in L?
Ont thousand milliliters (ml) equals one liter (L).
How many ml are in one kg of tomatoes?
This cannot be sensibly answered. A milliliter (mL or ml) is a measure of volume, grams (g), kilograms (kg) and milligrams (mg) are measures of weight or mass.
What fraction of 1L is 10 ml?
Since a liter is 1000 milliliter then, the fraction of 10 ml would be 10/1000 or 1/100.
What is 40 percent of 750 ml?
300ml
What 4 items can hold less then 10 mL?
A 1 ml pipette, a 2 ml pipette, a 5 ml pipette, and a 0.5 ml pipette.
You are using a pipette that has a mark every 0.1 mL. If you want to measure 5.15 mL of liquid using this pipette to what level should you fill the pipette?
The bottom of the meniscus should be halfway between the 5.1-mL mark and the 5.2-mL mark
How many ml in 1 pipette?
150
What is the accuracy of a 10 millilitre bulb pipette?
A bulb pipette class A has an accuracy of 0,02 mL.
What is used of volumetric pipette?
The purpose of a volumetric pipette is to deliver a precise amount of a liquid. The label on the pipette indicates the volume delivered (e.g. 10.00 mL).
Measuring 27 ml of liquids?
27 mL of liquid can be measured with a graduated cylinder, a burette or a pipette.
How many units in a 1 Millimeter Pipette?
25 ml
A student didn't notice that her pipette was broken. she used the same pipette but it consistently delivered 4.70ml of the vinegar instead of the desired 5.00 ml. how would the percent by mass results?
The broken pipette consistently delivering 4.70 ml instead of 5.00 ml will affect the percent by mass results. The percent by mass will be calculated based on the actual volume delivered (4.70 ml) instead of the desired volume (5.00 ml). This will result in a slightly higher concentration, as the mass of the vinegar will be divided by the lower volume.
How would you prepare 20 ml of a 1 to 400 dilution?
If accuracy is not a problem the most simple way to produce 20 ml of a 1:400 dilution is to take 1:400 of 20 ml (i.e. 0.05 ml) of the original solution and add 19.95 ml of liquid. As pipettes are the most precise close to their maximum uptake volume and micro-pipettes are inherently much less precise than pipettes for larger volumes I'd do a two-step dilution. 1. step: 1.000 ml of original solution with 1 ml pipette + 4 times 4.750 ml with 5 ml pipette 2. step: 1.000 ml of solution from step 1 + 4 times 4.750 ml with 5 ml pipette.
What is the best piece of lab equipment for measuring exactly 43 mL of water?
You can use a graduated cyllinder or a big pipette of 50 mL.
What can measure ml of liquid material in chemistry?
We can use a graduated pipette, a small cyllinder, a burette.
Could a 25 ml volumetric flask be replaced by a 25 ml pipette to measure the solution poured into a conical flask for titration?
As the pipette is far more accurate than a flask by a factor 10 to 100 one should NOT use a volumetric flask except for standard volumes over 100 ml.
