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Question- A sample of rainwater is observed to have a pH of 7.4. If only atmospheric CO2 at 380 ppm and limestone dust are present in the atmosphere to alter the pH from a neutral value, and if each raindrop has a volume of 0.02 cm^3, what mass of calcium is present in each raindrop?
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the ionization of water must be considered in order to calculate the pH of this acidic solution.)
give explanation why the boiling point of a 2-component mixture increase slowly throughout a simple distillation while
The standard electrode potential for the reduction of Ni2+ to Ni is 0.25v. Would the potential of a nickel elctrode immersed in a 1.00M Naoh solution saturated with Ni(OH)2 be more negative than E Ni2+/NI or Less. Explain.
when substitutionally incorporated into 1 kg of silicon will establish a charge carrier density of 3.091times1017
Given the formula M1V1=M2V2 1.)What is the final volume in milliliters when 0.850L of a 21.5M solution is diluted to 14.5M ? 2.) A 856mL \rm NaCl solution is diluted to a volume of 1.02L and a concentration of 6.00\it M . What was the initial conc..
Draw Fischer projection formulas of the major product of the reaction between E-2-methyl-3-hexene and aqueous Br2.
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If 9.0 g of Al metal react with excess HCL according to the balanced equation (2Al(s) + 6HCL(aq)----> 2AlCl3(aq) + 3H2(g)), what volume of hydrogen gas at STP will be produced
question the initial concentration of a reactant in the first order is .28m. the rate constant for the reaction
In the reaction between p-aminophenol and acetic anhydride to form acetaminophen, 0.450 ml of water was added. what is the purpose of the water
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When 7 mL of a solution containing 2.33 M Na3PO4 is diluted to 30 mL, a dilute solution is formed. How many moles of Na+ ions are contained in 18 mL of the dilute solution
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