chemistry

Solve C1V1=C2V2 equations, calculate dilution ratios (1:10, 1:50), serial dilutions, and cell dilutions. Instant recipe box showing exactly how to prepare your solution

Determine reaction order from initial rate data using the method of initial rates. Identifies zero, first, or second order from concentration-time graphs by linear regression.

Free reaction order calculator solve zero order and first order kinetics equations, calculate half-life, determine reaction order from data. Includes integrated rate law solver and graphs.

find the percent composition by mass of any compound from its chemical formula or mass data. with examples and practice problems.

Find the empirical formula from percent composition or mass of each element. Shows mole ratios, simplification steps, and molecular formula from empirical formula and molar mass.

Identify the limiting reactant and excess reagent in any chemical reaction. Calculates moles available vs moles required for each reactant.

Calculate percent yield from actual and theoretical yield.
Find theoretical yield from stoichiometry or actual yield
from percent yield.

Calculate molarity (M), moles, mass, or volume using
M=n/V. Converts between mM, μM, and M. Full step-by-step
working shown for every calculation

convert molarity to pH, find pOH, and calculate concentration of any solution. Step-by-step results with formula explanation.

Calculate DNA concentration in ng/μL, convert to molarity,
and find copy number per μL. Uses Beer-Lambert law with
A260 absorbance. NIST-verified constants included