8.0g of naoh was dissolved in 200ml of water to prepare a solution was used to titrate a 30 ml sample of h so a. (spts) write the chemical equation s) for the dissociation of h so, in water b.(5pts) write a net ionic equation of the reaction between naoh and h, so c(5pts) if 20 ml of the naoh solution is used to titrate the sample, what is the molarity of h, so? d. (5pts) if 2.5 m naoh solution was used to prepare the solution instead of solid naoh how many liters of 2.5m naoh solution is needed to prepare the solution? e. (5pts) if0.15m mg(oh), solution was used to titrate the sample instead, how many milliliters of mg(oh)2 solution would be required to titrate the sample?

Explanation

molecular weight of NaOH = 40 G

8g = 8 / 40 = 0.2 mol

molarity of solution = .2 x 1000/200 = 1 M.

a) H₂SO₄ = 2H⁺ + SO₄⁻²

b) 2NaOH + H₂SO₄ = Na₂SO₄ + 2H₂O.

c )

S₁V₁ =S₂ V₂ = S₂ = S₁V₁/V₂ = 1M X 20/ 30 = 2/3M.

d) S₁V₁ =S₂V₂ = 2.5M X V = 1 M X 200 , V = 200/2.5 = 80 mL = .08 L.

e ) .15 M X V = 1M X 200 , V = 200/.15 = 1333.33 mL

explanation:

the largest database of organic compounds lists about 10 million substances, which include compounds originating from living organisms and those synthesized by chemists. the number of potential organic compounds has been estimated at 1060—an astronomically high number. the existence of so many organic molecules is a consequence of the ability of carbon atoms to form up to four strong bonds to other carbon atoms, resulting in chains and rings of many different sizes, shapes, and complexities. the simplest organic compounds contain only the elements carbon and hydrogen, and are called hydrocarbons. even though they are composed of only two types of atoms, there is a wide variety of hydrocarbons because they may consist of varying lengths of chains, branched chains, and rings of carbon atoms, or combinations of these structures. in addition, hydrocarbons may differ in the types of carbon-carbon bonds present in their molecules. many hydrocarbons are found in plants, animals, and their fossils; other hydrocarbons have been prepared in the laboratory. we use hydrocarbons every day, mainly as fuels, such as natural gas, acetylene, propane, butane, and the principal components of gasoline, diesel fuel, and heating oil. the familiar plastics polyethylene, polypropylene, and polystyrene are also hydrocarbons. we can distinguish several types of hydrocarbons by differences in the bonding between carbon atoms. this leads to differences in geometries and in the hybridization of the carbon orbitals.

14,16 18 reacts with group