Chemistry Notes: Reactions in Solutions Two solutions can be combined to generate a chemical reaction. Often, chemical reactions occur in aqueous * solutions, e.g. living systems.
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Divide mL by 1000 to convert to L.
HCl + NaOH --> NaCl + H2O
0.01 + 0.01 --> 0.01 0.01 mol of NaCl produced.
Then, convert moles to grams.
(0.01 mol)(23+35)g/mol = 0.58 g NaCl produced
Molar mass NaCl
Molar mass AgBr
Step 1. (50 mL/1000)(5.00 M) = 0.2500 mol Li2SO4
(45 mL/1000)(4.50 M) = 0.2025 mol MgCl2
Step 2. Molar ratios for both reactants as well as the product are 1:1 so the smaller quantity of reactant (mol) = the quantity of product.
Smaller quantity of reactant = MgCl2 @ 0.2025 mol …
Step 3. … ---> 0.2025 mol MgSO4.
Step 4. (0.2025 mol MgSO4)(24+32+16x4) = 24.3 g MgSO4.