If 1.5234 grams of H2C2O4·2H2O is dissolved in water to

0.250 L solution. What is the molarity of the solution?

Does pure water conducts electricity? why?

A 1.00 L flask was filled with 2.00 mol gaseous SO2 and 2.00 mol gaseous NO2 and heated. After equilibrium was reached, it was found that 1.30 mol gaseous NO was present. Assume that the reaction occurs under these conditions.

The initial pressure exerted on 1.0 liter of gas is 100kPa. The pressure is changed and the new volume of gas is 0.25 liters. The pressure is changed to A) 25 kpa B) 200kpa C) 400kpa D) 4000kpa

How many milliliters of water would be needed to fill a one liter glass jar? A. 10 B. 100 C. 1,000 D. 10,000

Determine the concentrations of na2co3, na, and co32 - in a solution prepared by dissolving 1.80 * 10-4 g na2co3 in 2.25 l of water. express all three concentrations in molarity.

Which of the following is a physical of a substance A. Reactivity B. Hardness C. Flammability D. Toxicity

In the presence of oxygen, the three-carbon compound pyruvate can be catabolized in the citric acid cycle.

Is it true that the overall charge of a formula unit for a compound is never zero?

What is a significant ethical dilemma that a drug designer may face? A. A new drug effectively treats skin cancer but may cause minor skin rashes during treatment B. A new drug effectively fights allergies but causes drowsiness. C.

Which part of the factory is most similar to the nucleus of a living cell