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How many grams of solute are needed to make each of the following solutions? 417 mL of 0.225 M potassium sulfate
Fundamentals of chemistry - The conditions under which gases behave most ideally and Under the Bronsted?Lowry definition a base
a solution to replace potassium loss contains 40. meql of k and cl-. how many moles of k and cl- are in 1.5 l of the
To titrate a 5.00 mL sample of a saturated aqueous solution of sodium oxalate, it requires 25.31 mL of 0.02233 M potassium permanganate. How many grams of sodium oxalate would be present in 250.0 mL of the saturated solution
Calculate the molality of the solution and the molar mass of reserpentine.
How many grams of potassium chlorate decompose to potassium chloride and 527 mL of O2 at 128 degrees C and 752 torr?
It is often possible to change a hydrate into an anhydrous compound by heating it to drive off the water (dehydration). A 46.06 gram sample of a hydrate of MnSO4
The addition of s^2- ion to Fe(OH)2(s) results in the formation of FeS(s). Explain why the addition of S^2- ion to Cr(OH)3(s) does not result in the formation of Cr2S3(s)
Lithium Hydroxide, LiOH, is used in spacecrafts to recondition the air by absorbing the carbon dioxide exhaled by astronauts. The reaction is
when a mixture at 273 K is heated to 473 K, how many different chemical changes occur? How many physical changes occur?
What mass of copper nitrate would be produced from the complete reaction of 45.6 g of copper, according to the chemical reaction shown below? Cu + 2 AgNO_3 ----> Cu(NO_3)_2 + 2 Ag
Write balanced molecular, total ionic and net ionic equations for the reaction of aqueous copper (II) sulfate and aqueous sodium sulfide. Be sure to include proper phase labels.
calculate delta H1 and delta H2 and heat capacities of the calorimeter plus salt solution.
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