Search & Filtering
A 0.40 M solution of C3H5O3- has a pH of 8.728. What is the Kb of this ion?
How many litersof 10M HCl are needed to make 4L of 0.4M solution
What is the concentration if 40 g NaOH is dissolved in 1000g of water?
How many molecules are there in 1.004 mol CH4
A 800 mL sample of NH3 gas is at STP (25 ºC and 1 atm). If the volume changes to 586 mL and the temperature changes to 16 degree C , what will be the new pressure in atmospheres?
When a metal replaces hydrogen atom then compound form is
A 4.50 M solution is made by evaporating 100.0 mL of a 3.00 M solution. What is the volume of the resulting solution
Calculate the oxidation number of chromium in an unknown salt ,if the electrolysis of the salt produce 9.71g of chromium at the cathode after the current of 10A was passed through the cell for 1.5hrs (Cu=52g/mol)
The mass of a competition Frisbee is 125 g. Convert its mass to ounces using the unit conversion factor derived from the relationship 1 oz = 28.349 g
Julio and stefan determined the molar mass of litium and collected the following data.
