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A is a solution of 0.01molperdm³, HCL.

B is a solution of sodium hydroxide

I. Calculate the average titre value

II. Calculate the concentration of B in mol/dm³

III. Concentration of B in grams per dm³

IV. The number of moles of acid in average titre

V. The number of moles of alkaline in the volume of B pipette .


what is chemical formula of wilkinsion



Who dissolve faster oxygen + water at 1 atm or oxygen + water at 2 atm? Explain your answer.

What mass of BaCl2 is needed to dissolve in 1.2 kg water to prepare 0.500m BaCl2 solution?

The titration of 22.30 mL

mL of HCl

HCl solution of unknown concentration requires 12.96 mL

mL of a 0.200 M

M NaOH

NaOH solution to reach the equivalence point. What is the concentration of the unknown HCl

HCl solution in M

M?

Express your answer in moles per liter to three significant figures.



in the BaCI2 (aq)+Na2SO4(aq)Ba


If 0.590% solution of Na²CO3 will be used to precipitate Ca+² from solution, determine the amount of solution, in grams, needed to precipitate 5.00×10²mL of 0.01120 M Ca+²? Atomic mass: Na=22.99 g/mol C=12.01 g/mol Ca=40.08 g/mol

Discuss free radical reaction mechanism in methane chlorination as an example of


substitution reactions of alkanes

Rust (iron(III) oxide) is formed by the reaction

of oxygen with iron.

4Fe(s) + 302 (g)

> 2Fe2O3 (s)

a. Calculate the mass of oxygen required to

react with 10.0 g of iron.


Define the following



(iii)Discuss the oxidation reaction of methane.



(i)Energy of activation in relation to methane



(ii)Heat of combustion



(iv)Discuss free radical reaction mechanism in methane chlorination as an example of



substitution reactions of alkanes

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