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Problem- NaOH is added to sea water containing 0.050 moles per litre of Mg 2+ ion until the pH reaches 11.0. A certain quantity of Mg(OH)2 precipitates. What is the concentration of the magnesium ions remaining in the solution, in moles per litre?
Explain the each step. Explain the process and each step.
Net ionic equation for 2CH3COOH(aq)+ Sr(OH)2(aq)----> Sr(CH3COO)2(aq)+2H2O(l) Here's the hint the question came with: (hopefully this means something to you) - what are the two products of a neutral. reaction
A tetraaquasalicylatoiron(III) complex calibration solution is prepared by transferring 0.50 mL of a 0.00900 M salicylate dianion stock solution into a 10.00 mL volumetric flask and diluting to the 10 mL mark with 0.02 M iron(III) chloride that ha..
The suppositions of the kinetic molecular theory are most likely to be incorrect for gasses under which of the subsequent conditions. Why
A beaker with 1.50×102mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 7.20mL of a 0.330\it M \rm HCl solution to the beaker.
Compute the pH if NaOH solution of the 10.00 mL has been mixed. pKa of HCOOH = 3.74
If the demand for the drug is 90kg per year, explain how many goats would the company require to meet this demand? Molecular weight of drug is 500 g/mol
Two 20.0g ice cube at -10 C are place into 275 C of water at 25.0 C. Explain what is the final temperature of the water after all the ice melts
What is the pH of a solution made by mixing 3.30 mL of 0.0045 molar Sr(OH)2 with 8.70 mL of 0.0011 molar Sr(OH)2 solution?
A mole of hydrogen atoms contains 6.02 x 1023 atoms and occupies 22.4 L. How many hydrogen atoms are contained in 25.00 mL of this gas?
How many total calories do you consume from these three organic substances when you eat 1 candy bar 3 times a day?
Write the equilibrium expression, and calculate the equilibrium constant for this reaction at this temperature.
Low-melting solids often "oil out" of a recrystallization solution rather than crystallizing. If this were to happen, how would you change the recrystallization procedure to ensure good crystals
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