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a voltaic cell is constructed by immersing a strip of silver metal in a 10m agno3 solution and a strip of cadmium metal
when a 425g sample of solid ammonium nitrate dissolves in 60 g of water in a coffee cup calorimeterthe temperature
silver metal is spontaneously oxidized by chlorate ions in acidic solution under standard conditions a total of 245 ml
consider an aqueous solution of 1m fecl2 two inert electrodes are immersed in the solution if a voltage is applied to
consider the oxidation of gold metal in a mixture of nitric and hydrochloric acids aqua regia to produce aucl4-aq while
a solution is prepared by mixing 10g of water with 10g of ethanol what is the mole fraction of water in the vapor phase
1 when 26 ml of a 375 ml stock solution containing 21 m cacl2 is diluted to 103 ml how many moles of ca2 are in the new
1 when 15 ml of a solution containing 29 m caoh2 is diluted to 32 ml a dilute solution is formed what is the oh-
what is being calculated when the moles of a solute in a solution is divided by the molarity of the solute in the
a 7 ml sample of a solution of k2co3 was diluted with water to 25 ml a 10 ml sample of the dilute solution was found to
how many milliliters of a 305 ml solution of 15 m alcl3 must be used to make 75 ml of a solution that has a
1 when 9 ml of a solution containing 25 m albr3 is diluted to 37 ml a dilute solution is formed what is the br-
what mass of carbon dioxide is present in 100 m3 of dry air at a temperature of 25c and a pressure of 731
eather at room temperature is placed in a flask connected by rubber tubing to a vacum pump and the pump is turned on
a stock solution is prepared by adding 35 ml of 15 m nano2 to enough water to make 49 ml how many moles of no2- are in
when 30 ml of a 375 ml stock solution containing 211 m alcl3 is diluted to 92 ml how many moles of al3 are in the new
a voltaic cell consists of a znzn2 half-cell and a nini2 half-cell at 25 the initial concentrations of ni2 and zn2 are
if your pipet was incorrectly calibrated so that it transferred 5 too much solution would the density you calculated
calculate the ph of a buffer solution prepared by dissolving 020 mole of cyanic acid hcno and 080 mole of sodium
5 how many milliliters of a 518 ml solution of 2 m k3po4 must be used to make 302 ml of a solution that has 089 moles
3 when 30 ml of a 375 ml stock solution containing 211 m alcl3 is diluted to 92 ml how many moles of al3 are in the new
1 when 7 ml of a solution containing 27 m albr3 is diluted to 33 ml a dilute solution is formed what is the br-
consider the following reaction 2fe 2aq cu 2 ---gt 2fe 3 aq cu when the reaction comes to equilibrium what is the cell
a what mass in grams of hydrogen is produced by the reaction of 473g of magnesium with 183 g of