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13.75mL of a 0.165M solution of aqueous hydrochloric acid were required to fully neutralize a sample of aqueous calcium hydroxide. After the neutralization is completed, all of the water is evaporated to reveal a white crystalline solid. Calculate the number of grams of this solid that are formed.
molarity of acetic acid in a 15ml sample of vinegar that requires 22.7 ml of 0.550M solution of NaOH to reach neutralization point
Suppose that the atomic mass unit (amu) had been defined as one-eighth of the average mass of an atom of sodium instead of one-twelfth of the mass of an atom of carbon-12. What would the average atomic mass of magnesium be on this new scale
A person breathes 2.6 L of air at -110 C into her lungs, where it is warmed to 370C. What is its new volume?
If you want to dope GaAs to make an n-type semiconductor with an element to replace Ga, which of the elements below would you pick
Calculate the molarity of a solution made by adding 26.1 mL of concentrated hydrochloric acid (37.3 % by mass, density 1.19 g/mL) to some water in a volumetric flask,
A grad student made the news for all the WRONG reasons a few years ago when he synthesized a "nickel hydrazine perchlorate" compound (but didn't give any more detailed information) on a scale 1000 times larger than what his lab advisor told him to..
Compute the boiling point of the above solution in Farenheit.
Still on Le Chatelier's principle, Ketones are known to be less reactive in aldol condensations.
Calculate the percent of a strontium sample left after 100 years. The half-life of strontium-90 is 28.1 years.
explain why ethanamine (ethylamine) initially forms a white precipitate when added to a solution of aqueous copper sulphate (CuSO4).
Write balanced, net ionic equations when the following compounds are mixed. Indicated mixtures where no reaction is expected with the notation no rxn.
When 0.583 g of neon is added to an 800cm^3 bulb containing a sample of argon, the total pressure of the gases is found to be 1.17 atm. at a temperature of 295 Kelvin. Find the mass of the argon in the bulb.
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