Ca(Oh)2- calcium hydroxide ACID. 0.02 L = 0.025 M. 0 0 0 Log in to reply to the answers Post The water forms from the combination of the H + ions from the acid and the OH-ions from the base. Ca(OH) 2 → Ca 2+ + 2 OH − At ambient temperature, calcium hydroxide (portlandite) dissolves in pure water to produce an alkaline solution with a pH of about 12.4. HNO2-acid . HNO 3 is strong acid and completely dissociates (100% falls apart), so NO 3 − will not react with any added acid (0% combines with H + ). Memorize the above list, since almost everybody else is weak. Then. This behavior is relevant to cement pastes. CH3CO2H- Acetic Acid In chemistry, bases are substances that, in aqueous solution, are slippery to the touch, taste astringent, change the color of indicators (e.g., turn red litmus paper blue), react with acids to form salts, promote certain chemical reactions (base catalysis), accept protons from any proton donor, and/or contain completely or partially displaceable OH− ions. The stoichiometry of the balanced chemical equation depends on the number of H + ions in the acid and the number of OH − ions in the base. 2 H C l + C a ( O H) X 2 = C a C l X 2 + 2 H X 2 O.

Calcium hydroxide solutions can cause chemical burns. Mg(OH) 2 is strong base and completely dissociates (100% falls apart), so Mg 2+ will not react with any added base (0% combines with OH −). calcium hydroxide is a strong diacidic base, which means it releases 2 hydroxyl ions per molecule of base in aqueous solution, so it is strong base. When an acid and a base react with each other, a neutralization reaction occurs, forming a salt and water.

The acid to base ratio is 2: 1, or (moles acid used) = 2 (moles base used), so M a V a = 2 M b V b, where M is the molarity and V is the volume expressed in liters. A reaction between an acid and a base is called a neutralization reaction and can be represented as follows: acid + base → H 2 O + salt. M b = M a V a 2 V b. M b = 0.05 M × 0.02 L 2. A salt, in chemistry, is any ionic compound made by combining an acid with a base. Strong acids and strong bases completely dissociate, so the reaction yields a solution with a neutral pH (pH = 7). Another category of stong bases are the amides, such as KNH 2 (potassium amide) or Ca(NH 2) 2 (calcium amide). With the amides, the NH 2 ¯ pulls a hydrogen ion off a water molecule to make the hydroxide ion. At high pH value (see common ion effect), its solubility drastically decreases. Once again, there is a chemical reaction which produces hydroxide. HCN-Hydrogen cynide = acid.