H.W:- Calculate the Formal and Molar concentrations of the constituents in: 1) 2.30 g of ethanol (g. fw = 46.1) in 3.50 litres of aqueous solution. 2) 285 mg of trichloroacetic acid (g. fw = 163) in 10 mL of aqueous solution (its percentage of ionization = 73%).

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A:

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Q: 1. How do you prepare 500 mL of a ~0.10 M NaOH solution? What mass of NaOH(s) should you use?

A:

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Q: f. calculate A CH3OHa + Ozn> COao+2 H2Ou)

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A: The molar solubility of hydroxides is calculated as follows: BiOOH, Ksp  = 4.0 ×10-10

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A: Complete the balanced molecular chemical equation:

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A: pH for the buffer is given by the expression:   pH=pKa+log[K2HPO4][KH2PO4]

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Q: None

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A:

Q: jöride ions F in the following aqueous solution (at equilibrium). A volume of 49 ml of 0.065 MNAF is…

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A:

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Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.