How many ppm (by weight, mg/kg) of tungsten are present in a 28.6-gram light bulb with a 0.178-gram filament containing 83.7% tungsten? How many mg are contained in a 433 kg sample? How many grams of Mg will be needed to make 5.000 kg MgCl_2?
One solution is to place a label on one bottle and use it as a positioning guide for the rest. Some people prefer to mark the bottle and label positions on a piece of paper or wood since bottles tend to roll. If your bottles have a visible seam, it can be a useful guide to help ...
C is concentration of solution you have. V is the volume of concentration you are going to use. C2 is concentration of new solution you need. V2 is the volume of the new solution you need. So in your case you need 5ppm in a 10 gal solution. 5 ppm = 5 mg/L = 0.005 g/L = 0...
If your fish isn’t eating, she will become weak and less likely to overcome her battle with Ich.Fortunately, there is a natural solution that gets even the most stubborn fish eating again…Garlic.Garlic is used to stimulate appetite, meaning it makes your fish want to eat. It can make ...
The fact that PPM is a dimensionless measure is important. You have to make sure that the way you're measuring both the substance you're interested in and what it's diluted in is the same. So if you have a volume of water with something dissolved in it, you'll either need to use ...
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The fact that PPM is a dimensionless measure is important. You have to make sure that the way you're measuring both the substance you're interested in and what it's diluted in is the same. So if you have a volume of water with something dissolved in it, you'll either need to use ...
Related to this Question How many mL of 5 M NaCl are required to prepare 1500 mL of 0.002 M NaCl? If you have 200 mL of a 2.5 M NaCl solution, how many mL of a 0.25 M NaCl solution can you make? How many mL of a 2.0 M NaCl solution would you need to mak...
To achieve this, you may consider using a portfolio management board and a platform that allows you to break down all strategic initiatives into project deliverables and break the latter into actionable work items. If you don't have a proper project management solution, this is hard. But if ...