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What is the molarity of the NaBr produced when 50.0 mL of 4.80 M NaOH is mixed with 150.0 mL of 1.60 M HBr?
A) 2.40 M
B) 3.20 M
C) 1.20 M
D) 1.33 M
E) 480 M
Which choice lists two health effects expected from the depletion of the ozone layer. asthma lung cancer skin cancer cataracts emphysema 1 and 5 2 and 3 3 and 5 3 and 4 4 and 5
Think back to what you learned in this course about solutions and intermolecular forces. Why don't these to "mix" together (in other words, make a homogenous solution) when combined. Why do they separate into layers
Based on the amounts of reagents specified in this experiment, calculate the theorectical yield of asprin (180g/mol) in terms of moles and grams.
Determin whether each of the following equation is balanced or unbalanced: a) PCl3(l)+Cl2(g)--->PCl5(s), b)CO(g)+2H2(g)--->CH3OH(l), c)2KClO3(s)--->2KCl(s)+O2(g), d)Mg(s)+N2(g)--->Mg3N2(s).
A compound contains 10.13% C, and 89.87% Cl (by mass). Determine both the empirical formula and the molecular formula of the compound given that the molar mass is 236g/mol
What is the maximum number of electrons that can be in a second electron shell (principal energy level)?
What is the concentration, in ppm (m/m) , of a sodium chloride solution prepared by adding 37.5 micrograms of sodium chloride to 21.0Kg of water
What is the Hydrolysis equation for NaHSO4 and how do you calculate the Ka and Kb without looking it up with a pH of 0.81. Would solid benzoic acid dissolve in a solution of baking soda NaHCO3
Discuss the common-ion effect by comparing the solubility of CaCO3 in 3.0 x 102 ml of water and in the presence of 0.015 mole of Ca(NO3)2.
Determine the mean and 90% confidence interval for the average fluoride concentration in this sample.
At 2000C Kc is 2.4^3 for 2NO N2+O2, the initial concentration of NO is .170M what is the equilibrium concentration of NO?
determine at what pressure will pure H 2 O start to boil if its temperature is seventy five degree Celsius
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