Free math calculators with step-by-step explanations to solve problems for algebra, calculus, physics, trigonometry, statics, and more.

In mathematics, a percentage is a number or ratio that represents a fraction of 100. It is one of the ways to represent a dimensionless relationship between two numbers; other methods include ratios, …

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To balance a chemical equation, enter an equation of a chemical reaction and press the Balance button. The balanced equation will appear above. Use uppercase for the first character in the element and …

Mass percent concentration (wt%) is one of the types of percentage concentration. It is defined as the ratio of the solute's mass to the solution's total mass. Then it's multiplied by 100% to arrive at a …

Feb 12, 2023 · Determine the empirical formula of a compound using combustion analysis. When a compound containing carbon and hydrogen is subject to combustion with oxygen in a special …

To prepare a solution from a solid reagent, please use the Mass Molarity Calculator. To dilute a solution of known molarity, please use the Solution Dilution Calculator. Select an acid or base from the drop …