What is the [H3O-] and [OH-] ion concentration respectively in a solution that contains 0.155 M HNO3?
Determine the mass in grams of Li+ (6.941 g/mol) in 25.0 g of Li2SO4 (109.94 g/mol)
In the reaction 2NO(g)+СI2(g) «2NОСI(g), DН0 < 0
Predict the changing of chemical equilibrium
a) if reactants concentrations are increased;
b) if temperature is decreased
What is the balance ionic equation for Al+HBr=AlBr+H2 ?
The grinding of a large crystal of a substance into smaller crystals increases the rate of solution of the substance. Why?
If 220 ml of 1 F AgNO2 is required to react quantitatively with 150 ml of KCN solution according to the reaction expressed by the equation Ag+ + 2CN- = Ag(CN)2-
If 8 liters of ethylene glycol, C2H4(OH) density = 1.113 g/ml, is placed in an automobile radiator and diluted with 32 liters of water, what is the approximate freezing point of the solution in degrees fahrenheit?
Indicate how concentrated H2SO4 for which is 18 F may be diluted to produce 300 ml of 3 F H2SO4-
To dilute 150 ml of 1 F CaCl2 solution to 0.02 F would require how many milliliters of water?
Calculate the number of grams-formula weights in 50 g of NaCl