0.25 grams of magnesium chloride are dissolved to make 50 milliliters of solution. What is the molarity of the solution?

Which is the following closest to the thickness of a dime 3 kilometer, 3 milmeters 30 centimeter, or 30 meters

Consider the equation for the combined gas law. If T1, and T2, are constant, you are left with whose law?

Calculate the activation energy (ea in kj/mol for a reaction if the rate constant (k is 2.7 * 10-4 (m-1sec-1 at 600 k and 3.5 * 10-3 (m-1sec-1 at 650 k.

For each of the three ionic compounds, select which main group X belongs to. (a) X3PO4 (b) CaX2 (c) X2 (SO4) 3 Group 1A (1) Group 1A (1) Group 1A (1) Group 2A (2) Group 2A (2) Group 2A (2) Group 3A (13) Group 3A (13) Group 3A (13) Group 4A (14)

What type of bonding is expected between li and f?

How much MnO2 (s) should be added to excess HCl (aq) to obtain 295 mL of Cl2 (g) at 25 °C and 735 Torr?

Why do people describe water as a universal solvent

What is litmus paper used for? To indicate if all the reactants have been used up to determine if a chemical reaction has occurred to determine pH to detect the presence of water

You open your lemonade stand with 100 lemons, 5 bags of sugar containing 6 cups each, and 10 gallons of water (16 cups per gallon). Which statement is NOT true about the production of lemonade in your stand?

For the complete combustion of 5.6dm3 of a gaseuos hydrocarbon CxHy. 28.0dm3 of oxygen gas were used, 16.8dm3 of CO2 gas and 18.0gof liquid water were produced all gases measurement were made at stp. Determine the chemical formula of the hydrocarbon