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

Adults in Germany are better than the international average at coping with problems in new and complex situations. However, this adaptive problem-solving skill depends more heavily on sociodemographic ...

The developer of a 180-unit complex proposed on Allentown’s East Side received a big boost Tuesday. After months of revisions and return visits to the Allentown Planning Commission, the final plan for ...

Quantum computers, systems that process information leveraging quantum mechanical effects, could soon outperform classical computers on some complex computational problems. These computers rely on ...

GREENWICH — The teardown trend in the south end of Greenwich is continuing with plans recently filed at the town planning department to demolish a home built in 1900 and replace it with six new ...

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The best way to fix Americans’ cost-of-living problem is to give workers bigger raises, Federal Reserve Chair Jerome Powell said last week. The problem: That solution looks broken, too. The US job ...

The United States shed 105,000 jobs in October and added 64,000 jobs in November, the Bureau of Labor Statistics said Tuesday, lifting a monthslong fog that had shrouded the labor market. The ...

Landlords desperate for relief from relentless cost pressures watched the Budget the week before last with bated breath. They were hoping previous warm words from the Chancellor would finally ...

Christmas should be a time of cheer, but last month’s Budget has instead left hospitality businesses at their wits’ end worrying about the looming business rates car crash. In just a few months, local ...

Discover what makes unconventional cash flows unique, explore challenges in capital budgeting, and learn how multiple IRRs affect investment decisions.