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ULTRAMARINE
COMPOSITION
If 49.0g of H3PO4 is reacted with excess KOH, determine the percent yield of K3PO4, if you isolate 49.0g of K3PO3.
What is the nickel ion concentration in a solution prepared by mixing 389 mL of 0.428 M nickel nitrate with 467 mL of 0.323 M sodium hydroxide
To get an estimate of the number of beans in the jar you weigh six beans and obtain masses of 3.15, 3.12, 2.98, 3.14, 3.02, and 3.09 g . Then you weigh the jar with all the beans in it, and obtain a mass of 2082g . The empty jar has a mass of 6..
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.120 M HCIO (aq) with 0.120M KOH (aq)
Given two liters of .407 M KCl how many milliliters of this solution you should use to prepare 250.0 ml of .175M KCl
di ethyl ethal is a volatile, highly inflammable organic liquid that is used mainly as a solvebt. the vapour pressure of di ethyl ethal is 4.01mmHg at 18 degree celcius.
converting liquid water to solid ice releases 1.44 kcal/mol.
How many grams of NaF form when 0.580 mol of HF reacts with excess Na2SiO3?
A procedural change would be essential if a boy want to determine the tomato juice's acidity by titrating a sample of juice with NaOH(sodium hydroxide) solution Briefly explain What change would you make to the procedure ?
A solution is prepared by mixing 13.00ml of 0.0021M (aq) Hg2(NO3)2 with 25.0ml of 0.015M HCl. Assume that volumes are additive. A. Will precipitation occur?
the volume of a sample of oxygen gas collected over water is 258 mL at 27 degrees C and 620.0 torr. Calculate the volume in milliliters of dry oxygen gas at STP. (the vapor pressure of water at 27 degrees C is 26.7 torr.)
What might you conclude about the structures of these 3 (X,Y,Z)compounds?
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