Now you’ve gathered a sample of gas. You’ve collected it and measured its pressure, volume, and temperature. And using your trusty barometer, you’ve determined the … Read More

Percent yield tells you how far off you are from where you should be. And we all know how it feels when that final weight … Read More

In the end, mixing acids and bases isn’t so much a matter of chemistry equations as it is keeping track of your inventory. Counting particles … Read More

When you test water with your pH meter and reading isn’t matching what you see (the sample appears normal but reads too alkaline or too … Read More

You pour water into your hydroponic reservoir and watch the pH meter flicker. It’s reading seven point eight. You’re trying for six point five. What … Read More

High acidity (pH) is corrosive to both your pool equipment and swimmers. After a few hours in the sun you’ll feel like you’re itching all … Read More

You’ve got a protocol that requires 10 millimolar Tris buffer. You’re standing in a lab with a bottle of powder and a protocol that requires … Read More

Chemistry occurs at molecular level, which means you begin with a molarity value. One mole of something per liter of water is just dandy for … Read More

You’ve got a spatula loaded with some white powder. It’s sitting there on your beaker, waiting for you to do something. Wait…what are you gonna … Read More

A bottle sits in your hand, labeled with an abstraction: a percentage of something you aren’t sure about. You’re standing in a lab where the … Read More