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What is the concentration of a NaOH solution if 34.98 mL of it reacted with 1.9278 g of KHP? (MWKHP = 204.23 g/mol). A solution is prepared that is 23.44 wt% NaCl in water. What is the molality of the solution? (MWNaCl = 58.443 g/mol).
how many moles of ethylene glycol should be added to the radiator to lower the freezing point of the water from 0 degrees celcius to -18 degrees celcius?
Write a balanced chemical equation for the reaction: Na2CO3 and AgNO3? And Its ionic equation please
How many grams of TiCl4 are needed to react completely with 155 L of H2 at 435 oC and 795 mm Hg pressure?
Van der Waals constants can be found here. Use the ideal gas equation to calculate the pressure under the same conditions
A 18.0L gas cylinder is filled with 5.20moles of gas. The tank is stored at 29 degrees C . What is the pressure in the tank
An oxide of copper is decomposed forming copper metal and oxygen gas. A 0.500 g sample of this oxide is decomposed, forming 0.444 g of copper metal. What is the empirical formula of the copper oxide?
For a second-order reaction, what quantity, when graphed versus time, will yield a straight line. The natural log of the concentration.
A normal value for blood cholesterol is 200mg/dl of blood. If a normal adult has a total blood volume of 5 L, how much total cholesterol is present.
an analytical chemist has determined by measurements that there are moles of magnesium in a sample of talc. how many
Chloromethane,CH3Cl, arises from the oceans and from microbial fermentation and is found throughout the environment. It is used in the manufacture of various chemicals and has been used as a topical anesthetic.
Rate data for an enzyme-catalyzed reaction and constructed a Lineweaver-Burk plot. The best-fit line had a slope of 2.3 minutes and a y-intercept of 4.7 x 10^4 min/M. Calculate Km and Vmax.
How can I find the pH and volume (mL) of 0.0411M KOH needed to reach the equivalence point in the titration of 23.4mL 0.0390M HNO2? The question doesn't give me a Ka or Kb value.
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