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To standardize a solution of NaOH, one uses a primary standard called potassium hydrogen phthalate (KHP). It is a monoprotic acid. It has a molar mass of 204.33g/mol. Suppose you weigh out .556g of KHP and dissolve it in water. It requires 14.48 mL of NaOH to reach the endpoint. What is the concentration of the NaOH solution?
A solution of ammonia and water contains 4.50×1025 water molecules and 5.30×1024 ammonia molecules. How many total hydrogen atoms are in this solution?
Calculate the pH of 3.0*10^-8 M HCl and what fraction of the total H+ in this solution is from HCl. Include two digits after decimal point.
Understanding of Chemistry basics - explain a situation that violates the second law of thermodynamics?
Consider the following balanced thermochemical equation for the decomposition of the mineral magnesite. MgCO3(s) ? MgO(s) + CO2(g) ?Hrxn = 117.3 kJ
A point mass rotates in a circle with l = 2. Calculate the and the possible projections of the angular momentum on an arbitrary axis.
Identify the statements that accurately describe how hydrogen ion concentration relates to energy production in oxidative phosphorylation.
ch4g h2og----gt cog 3 h2g hydrogen can be prepared by reacting natural gas methane with water as shown above. how
What is the path these electrons use in the Electron Transport Chain? Answer A. Complex I, Complex II, Complex III, Complex IV, O2 to H2O B. Complex II, Complex III, Complex IV, O2to H2O C.
what is the percent yield of a reaction in which 266 g phosphorus trichloride reacts with excess water to form 134 g
The volume of a sample of hydrogen is 798mL and it exerts 621mmHg pressure at 5.00C. what volume does it occupy at standard temperature and pressure.
how many grams of Mg(OH)2 will be needed to neutralize 25ml of stomach acid if stomach acid is .10M HCL
a sample of 57 grams of h2o with a temperature of sixteen degree celsius is combined to 260 grams of h2o at 90 degree
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