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If 0.500 mol of CaCl2 is mixed with 0.200 mol Na3PO4, the maximum amount in moles of Ca3(PO4)2 that can be formed is:
A. 0.20B. 0.17C. 0.10D. 0.50E. 0.67
7.2 liters of an ideal gas are contained at 4.0 atm and 27 °C. Using the ideal gas law, calculate how many moles of this gas are present.
Starting from 1-methylcyclopentene and using other reagents and number of steps that you need, synthesize the following compounds.
a 19.3 g mixture containing sodium sulfide and calcium chloride. 86.9% sodium sulfide and 63.9% by mass chlorine. what is the grams of chlorine?
Determination of Molecular SO2 Needed for Protecting Wine, You have just finished fermenting a wine and the pH = 3.7. You need 2mg/L "molecular" SO2 to protect the wine. What level of free SO2 do you have to add to achieve the level of the molecul..
The kinetics of decomposition of dinitrogen pentaoxide is studied at 50 degrees C and at 75 degrees C. Which of the following statements concerning the studies is correct
calculate the PH at the points in the titration of 20.00 ml of 0.318M NH3 when, a) 10.00 ml and 15.00 ml of 0.475 M HCl have been added.
Much commercial hydrochloric acid is prepared by the reaction of concentrated sulfuric acid with sodium chloride:
A compound, C7H12O4, has an IR spectrum showing a peak at 1735 cm-1. Its 1H NMR spectrum has peaks at delta 1.3 (6 H, triplet), 3.4 (2 H, singlet), and 4.2 (4 H, quartet). Draw its structure
You are an EH&S professional returning home from your plant on a summer Friday afternoon at about 4 p.m. You have just picked up some materials from a nearby building supply store for a weekend backyard project
Which of the following constants is/are needed to calculate the amount of energy required to heat 30.5g of H2O(s) at -25.0 degreeC to H20(L) at 5.0 degreeC?
What are the other side products present in this biocatytic reaction?
Nitrogen forms several gaseous oxides. One of them has a density of 1.27 g L-1 measured at 764 mmHg and 150C. write the formula of the compound
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