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What is another reagent other than phosphoric acid that can be used to determine the concentration of calcium ion by a conductometric method? What is the important criterion? (Check solubility rules)
The reaction used in the experiment is:Ca(OH)2 (aq) + H3PO4 (aq) yields Ca3(PO4)2 (s) + H2O
What other reagents work the same way as phosphoric acid?
iron has a density of 7.874. gcm3. what is the mass of a rectangular block of iron with dimensions of 3.000 cm by 4.000
A solution contains 100.0 g of water,10.0 g NaCl,and 15.0 g methanol. what is the weight(mass) percent of methanol in the solution
What is the pH (to nearest 0.01 pH unit) of a solution prepared by mixing 67.0 mL of 0.0755 M HBrO and 89.0 mL of 0.130 M NaOH
If 3.00g of hydrosulfuric acid is reacted with 3.00 g of silver nitrate, calculate the mass (in g) of solid silver sulfide formed.
Determine the empirical and molecular formulas of Ibuprofen has 75.69% C, 8.80%H and 15.51%O by mass and has a molar mass about 206g/mol.
Gilman reagents will react with alkyl halides to form carbon-carbon bonds. Outline a synthesis of Ph2CuLi and use it to make butylbenzene isomer free. What other way can you make butylbenzene isomer free?
The first three reactions of the b oxidation pathway are similar to three reactions in the Kreb's cycle. Which three and why are they similar
when monitoring the reaction between benzene and 2-chloro-2-methyl-propane using febr3 as the catalyst researchers
0.375 kg of water are in a well insulated container at 21.3 c. After 4.184kj of heat are added to the water, what is the final water temperature ?
When a sample of HI(g) (0.1192 mol/L) is placed in 110.0 L reaction vessel at 968.0 K and allowed to come to equilibrium the mixture contains 0.02028 mol/L of H2(g). What concentration (mol/L) of HI(g) reacted? 2HI(g) = H2(g)+I2(g)
How many grams of magnesium oxide are formed when 16.4 of oxygen gas, measured at STP, completely reacts with magnesium metal according to this reaction
Write the oxidation reaction for L-Ribose and α-D-Lyxose (use the Benedict' reagent as an oxidizing agent). Write the reduction rection (hydrogenation) for D-Idose and β-D-Psicoe.
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