How many moles of solute are present in 50.0mL of 0.20m KNO3?

For the system NH2OH + CH3NH3 + CH3NH2 + NH3OH+ the position of the equilibrium lies to the left. Which is the strongest acid in the system?

What is the density (g/ml) of an object that has a mass of 14.01 grams and when placed into a graduated cylinder, causes the water level to rise from 25.2 ml to 33.6 ml?

If 20ml of 0.1M Naoh is added to 30ml of 0.2m ch3cooh (ka=4.74), the ph of the resulting solutions is a) 4.44 b) 9.56. c) 5.04. d) 8.96

Louis pasteur demonstrated that fermentation to produce alcohol is caused by

Select the correct answer. Which hydrocarbon is an unsaturated hydrocarbon? A. 2-methylheptane B. 3-ethylpentane C. 1-hexene D. cyclopentane

What will happen when water reaches 80ºC?

Why is cake so yummy

The natural abundance of 3he is 0.000137 %. how many protons, neutrons, and electrons are in an atom of 3he?

You have 15 grams of ice at 0°C. How much energy is needed to melt the ice and warm it to 25°C. Ice melts at 0°C. The specific heat of water is 4.18 J/g*C. The heat of fusion of water is 80. calories per gram O a. 0.0075 calories O b.

A solution is prepared by dissolving 1.86g of kcl and 8.29g of k2co3 in enough water to make uo the final volume of 500 cm3. What is the concentration of the potassium ion in the solution?