The mg/kg value you end up with tells you the concentration of one substance with respect to the total. Another way to express this is in parts per million (ppm). Given the explanation of mg/kg, it should be clear that 1 mg/kg actually represents 1 ppm, because 1 milligram is one ...
If you’re growing just a few plants in a grow tent or box, you can use a fan to pull hot air away from the grow lights and into the room (or out a window) to keep plants cool enough. I’ll help you find the right grow light for your space in Step 2....
aThe main objective of the mission was to appraise the proposed project. The specific tasks included: (a) reviewed in details the status of actions taken by the PPMOs in line with the Bank team’s recommendations during the pre-appraisal mission in September, 2011; (b) reviewed and finalized...
How many grams of ammonium chloride are needed to raise the ammonia level 5 ppm in a 300-gallon system?ConcentrationThe proportion that a solute is present in a solution is called concentration. This concentration can be expressed in many ways, with units tha...
How many grams of C6H12O6 are needed to be dissolved in water to make 100 grams of a 250 ppm solution? Conversion of units to express ppm Parts per million (ppm) is used to describe the concentration of very dilute solutions which expresses the ...
How many grams of chlorine gas are needed to make 3.00 x {eq}10^6 {/eq} g of a solution that is 1.50 ppm chlorine by mass? Concentration: The concentration would be a parameter that correlates the amount of a substance in a solution to the tot...
The ratio of milligrams to millimoles is equal to the ratio of grams to moles. You therefore need to know the mass in grams of a mole of cholesterol. This quantity is also known as the molecular weight of cholesterol. You can find the molecular weight of cholesterol by taking the sum ...
This article will walk you through brewing method, from the simplest to the most complex. We guarantee you'lll be inspired. Chapter 1 Coffee Basics Before we dive into the specifics of brewing, let's go over some basic terms and concepts. They are associated with brewing coffee in differe...
There was big news last week in the precious metals industry. Anthony Columbo and his companies (Premier Precious Metals Inc., Rushmore Consulting Group Inc., and PPM Credit Inc.) were banned by the FTC from selling precious metals “investment opportunities.” ...
will slowly turn into wine over the course of the next 2 weeks. You’ll know the wine’s done once your airlock stops bubbling. If you have a hydrometer, you can test as you go along, the “potential alcohol” reading will slowly drop, usually all the way to 0%, as the days pass...