The following reaction shows sodium hydroxide reacting with sulfuric acid. 4NaOH + 2H2SO4 → 2Na2SO4 + 4H2O How many grams of Na2SO4 are produced from 10.0 grams of NaOH? (Molar mass of Na = 22.989 g/mol, O = 15.999 g/mol, H = 1.008 g/mol, S = 32.065 g/mol)  17.8 grams  19.2 grams  35.5grams  or 38.5 grams

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Q: [Review Topics] What mass of HC1, in grams, is required to react with 0.930 g of Al(OH)3? Al(OH)3…

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Q: What is the mass in milligrams of the solute in 25.0 ml of 0.275 M NaOH? (atomic weights: H=1.01;…

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Q: What mass of H2O is produced from 100 g of H2 in the foillowing reaction.  2H2  +  O2  →  2H2O

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.