This lesson covers solved numerical problems on molarity, molality, mole fraction, and percentage concentrations to help you clearly understand solution concentration concepts in chemistry.

For elementary students, math problem-solving often feels like a puzzle without all the pieces. They know there’s a solution somewhere, but they can’t quite see how it all fits together. Behind every ...

Fractions are often needed when preparing assignments, reports, or mathematical documents. Microsoft Word provides different ways to write fractions clearly and neatly. Knowing how to use the built-in ...

Abstract: Solving mathematical (math) word problems (MWP) automatically is a challenging research problem in natural language processing, machine learning, and education (learning) technology domains, ...

Suzanne is a content marketer, writer, and fact-checker. She holds a Bachelor of Science in Finance degree from Bridgewater State University and helps develop content strategies. An agency problem is ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

One Word Substitution means using a single word to replace a long phrase or sentence without changing its original meaning. It helps make communication more clear, concise, and effective. These ...

The Atlanta Braves were supposed to contend for a World Series this season. Instead, they're contending with the Miami Marlins in a battle for well-off-the-pace third place in the NL East. Baseball, ...

Working memory is like a mental chalkboard we use to store temporary information while executing other tasks. Scientists worked with more than 200 elementary students to test their working memory, ...

Microsoft Word provides several ways to create fractions, whether you need them for mathematical documents, academic work, or professional reports. You can type fractions manually, use the built-in ...