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Assuming that you start with 2.00 g of sodium benzoate and 5 mL of 3M HCL, what is the limiting reagent in this reaction? (Hint: you may need to calculate mmoles of sodium benzoate first.)
a) sodium benzoateb) benzoic acidc) HCld) NaCl
Assume you carry out an experiment when the atmospheric pressure is 765mmHg and the temp in 24 degrees C. you collect Hydrogen gas and want to know the pressure of the gas
0.015 M solution of hydrogen cyanate (HOCN) has a pH of 2.67. What is the hydronium ion concentration in the solution and the ionization constant, Ka, for the acid
The total molarity of acid and conjugate base = 0.100M. A boy adds 4.20 milliliters of a 0.370 M solution to the beaker. Determine how much will the pH change?
What molarity of aqueous aluminum sulfate solution can be expected to show the same conductivity
At a certain temperature 16.7 mL of .45 M NaOH solution is required to titrate 30.0 ML of a 0.1 M KCL solution saturated with potassium bitartrate. What is the Ksp of KHT at this temperature
The indicator propyl red has Ka = 3.3 × 10-6. What would be the approximate pH range over which it would change color?
The temperature of the water and that of the gas are identical at 26oC. how many moles of helium have been evolved.
A single cell has a radius of 15 um, a volume of 14.1 picoliter, and a mass of 15.5 nanograms. what is the density of this cell in g/mL
A 250 g yo-yo is swung on the end of a50 cm string at a constant speed of 4 m/s. What is the centripetal force acting on the yo-yo?
To find the % by mass of a compound in a given sample - Determine the percent by mass of calcium carbonate in the sample. State any assumptions.
How many grams of F2 are needed to produce 237 g of PF3 if the reaction has a 80.4% yield?
How many moles of CF4 can be produced when 5.00 mol C react with 8.00 mol F2?
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