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100 mL of 0.150 M acid HA are mixed with 100 mL of 0.0800 M NaOH. Calculate the titration constant, kt, of the resulting reaction. Ka = 1.0 x 10-5
Choices: a. 1x 1019 b. 1 x 10-19 c. 1 x 109 d. 1 x 10-9 e. none of these
If a compound is 13.6% C by mass and 86.4% F by mass, what is its empirical formula. if its molar mass is 176g/mol, what is its molecular formula
salicylic acid with methanol to yield methyl salicylate why wouldnt you use a strong base like sodium hydroxide?
toothpaste contains 0.24% by mass sodium flouride used to prevent dental cavities. One tube contains 119g of toothpaste. How many moles of NaF are in the tube?
If 8.6 L of H2 reacted with 4.3L of O2 at STP, what is the volume of the gaseous water collected (assuming that none of it condenses)? 2H2(g) + O2(g) -> 2H2O(g)
Magnesium metal rects with oxygen to make a white powder knon as magnesium oxide. As the reaction proceeds, a bright white flame is seen. It is found that 2.6 g of magnesium reacts with1.6 of oxygen.a) What is the word equation
a 67.0-g piece of gold at 725k is dropped into 165 g of h2ol at 298k in an insulated container at 1 bar pressure.
a solution of 120 ml of 0.150 m koh is mixed with a solution of 260 ml of 0.200 m niso4. how many grams of the
Discuss how precise and accurate measurement can be achieved in spite of the inherent measurement uncertainty. Take a ruler and measure the height of the textbook three times. Record the three measurements, and discuss the uncertainty in your meas..
A wavelength of 880 nm produces how much energy in joules per photon and kilojoules per mole of photons
A student is given an antacid tablet that weighed 5.6832 g. The tablet was crushed and 4.3628 g of he antacid was added to 200 mL fo simulated stomah acid.
Gas Chromotography/ Orange oil experiment. Limonene (L) and internal Standard Anisole (A) Were used and needed to find the Wt% of L in a given orange oil sample.
What is the theoretical yield in grams? What is the theoretical yield in moles? (I already have the calculated amounts of reactants) Just need theoretical yields.
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