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Both magnesium and alumnium react with an acidic solution to produce hydrogen. Why is that only one of the following equations correctly describes the reaction?
Mg(s) + 2H+(aq) --> Mg2+(aq) + H2(g)
Al(s) + 2H+(aq) --> Al3+(aq) + H2(g)
If 24g Mg is used the percentage yield is 95% how many gramns of magnesium hydroxide should be recovered? Write balanced equation for reaction.
a sample of Ringer's solution contains the following concentractions (mEq/L) of cations: Na 147, K 4 and Ca2 4. If CI- is the only anion in the solution
0.02 grams of AgNO3 is dissolved in 1.0 L water. What is its concentration as parts per million
A 1.00 g sample of enriched water, a mixture of H2O and D2O, reacted completely with Cl2 to give a mixture of HCl and DCl. The HCl and DCl were then dissolved in pure H2O to make a 1.00 L solution
A mixture of 0.140 moles C is reacted with 0.117 moles of O2 in a sealed, 10.0 L vessel at 500 K, producing a mixture of CO and CO2.
What is the total number of liters of O2(g) produced from the complete decomposition of 0.500 mole of KClO3(s)?
a helium-filled weather balloon has a volume of 815 l at 22 oc and 752 mmhg. it is released and rises to an altitude of
calculate the number of grams of iron and the number of grams of carbon dioxide formed
A 6.5g sample of diprotic acid requires 137.5mL of a .75M NaOH solution for complete neutralization. Determine the molar mass of the acid.
A solution of NAOCH3 in methanol can be prepared by adding NaH to methanol (CH3OH). A flammable gas is produced as a byproduct. a) write the acid-base reaction that takes place
For a 0.25M solution of HF: a) Write the ionization equation, b) What will be the concentration of all species present, excluding water, when the reaction is at equilibrium?, c) What will be the pH, d) what will be the percent ionization
calibrated manufacturing makes an electronic component that is in great demand.nbspnbspthe component sells for 20
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