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Calculate the molarity for:A.0.5g CO2 in 652 g of water.B. 56g of NH3 in 500 g of water.C. 3.21 g of NaOH in 3405 ml of water.
How many double bonds are present in the "best" resonance structure of the phosphate ion?
Compute A current is drawn from the cell until 1.20 grams of Ag have been deposited at the Ag electrode. Determine the value of E for the cell at that stage of operation.
A student traces of brown deposite during the KMnO4 (NH4)2Fe(SO4)2 titration and quickly add more H2SO4 and continued his titration?Suggest what wil happen and why.
How many moles of KMnO4 are present in 25.0 mL of a 0.0900 M solution?
What weight of sulfuric acid will be needed to react completely 35.5g of ammonia in the production of ammonium sulfate.
how many moles of gas are contained in a compressed air tank for a suba diving that has a volume of 7.0 L and a pressure of 210 atm at 25 0C .
What volume of ammonia could be made from the reaction of 2.5 liters of nitrogen (N2) and 8.5 liters of hydrogen (H2) at STP?
What is the density of lead if a rectangular bar measuring 0.500 in height, 1.55 in width, and 25.00 in length has a mass of 220.9g.
If a total of 13.5 mol of NaHCO and 4.5 mol of C H O react, how many moles of CO and Na C H O will be produced? 3NaHCO (aq) + C H O (aq) 3CO (g) + 3H O(s) +Na C H O (aq).
The freezing point of benzene is 5.5oC. What is the freezing point depression of a solution of 5.00 g naphthalene (C10H8) in 444 g benzene (Kf of benzene = 4.90oC/m)?
A first-stage recovery of magnesium from seawater is precipitation of Mg(OH)2 with CaO: Mg2+(aq)+CaO(s)+H2O(l)---->Mg(OH)2(s)+Ca2+(aq).
What is the name of the chemical used in Sweet 'n Low? Draw the structure. Why was a temporary restriction placed on the use of this sweetener? What is the Delaney Amendment?
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