To prepare 50 mL of a 5.0% aqueous m/v saline solution from a 10% aqueous m/v saline stock solution, what volume of the stock solution should you add to a 50 mL volumetric flask?

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Q: 2.73 x 10-6 1) (2.00 x 10-³) = 5.56 x 104 2.40 x 10-6 1.20 x 104 +(3.48 x 10-8)= 4.703+ (4.04 x…

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Q: Calculate the molar enthalpy of dissolution ΔsHm of the reaction.

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Q: Which aqueous solution below is most acidic? O [H]=2x 10-3 pOH = 10.00 ГОН] = 2 x 10−3 pH = 3.00

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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.