Search & Filtering
Put down the Hendersen equation in general form for mixed buffer systems.
What is the molecular mass of an organic compound if 16g of the
compound is dissolved in 225.0g of carbon tetrachloride raising the boiling
point to 85.36℃?
What is the molality of a solution dissolved in chloroform that boils at 62.8℃?
Boiling point of chloroform is 61.2℃? 𝐾𝐵 of chloroform is 3.63℃/𝑚
And acid base titration was performed it took 27.45 emails of the base KOH to titrate 3.115 g HP are the acid what is the molarity of the KOH
If I add 1 mole of NaCl to 200 grams of water in glass 1 and if I add 1 mole of sugar
(C12H22O11) to 200 grams of water in glass 2, which glass will have the highest boiling point?
What is the mass of hydrogen gas produced from the reaction of 5.0g of lithium metal in excess water? ( Li:6.9g/mol, H:1.0g/mol, O:16.0g/mol
If 0.098 g of O2(g) is bubbled in 700 mL of water, how many grams of oxygen escape?
A mixture of calcium chloride and magnesium chloride weighing 2.000g was mixed with sulfuric acid until no more
calcium sulfate precipitated. The precipitate after drying and weighing had a mass of 0.736g.
a)Find the moles of calcium ion.
b) Find the moles of calcium chloride in the original mixture.
c) Find the grams of calcium chloride in the original mixture.
d) Find the percentage (by mass) of calcium chloride in the original mixture.
A metal has a flexural stress of 564 Pa. The W is measured to be 1 meter, while the load was 10 N. The thickness of the metal is twice its L. Using the formula on the three-point test of materials, what is its length and thickness
Substance Q initially weighs 120% of its remaining mass after its decay in 60 minutes. What is its half-life in hours?
