Moles are a unit of measurement of chemical compounds. Just like how physical quantities, such as distance, mass, time etc. have measurement units (meters, grams, seconds respectively), similarly, chemicals are measured in moles. In short, you could say that a “mole” is the unit of amoun...
Grams and moles are two units that express the amount of matter in a sample. There is no "conversion formula" between the two units. Instead, you use atomic mass values and the chemical formula to do the conversion. To do this, look up atomic masses on the periodic table and use the ...
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First, convert the milligrams to grams: (259mgNaOH1L)(1g1000mg)=0.258gNaOH1L Now, the units are g/L, and you can use the molar mass to convert to mol/L: (0.258gNaOH1L)(1mol39.997gNaOH)=0.00645molNaOH1L Finally, you can convert from moles to millimoles. There are 1,000 millimole...
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Convert reactant quantities to moles. Use a periodic table to find the atomic mass units for each element. For example, say you have a solution of 65 grams of magnesium hydroxide and 57 grams of hydrochloric acid. Magnesium has 24.305 atomic mass units, oxygen has 16 atomic mass units and...
Besides, things get complicated if you only know the mass one or more components of the solution. In addition, you just have to convert the mass of components to the number of moles, as long as you know the chemical formula. Example problem ...