Ask a New Question

Question

calculate the pH of a soln prepared by dissolving 1.5 g of potassium hydroxide in 300.0 ml of soln
15 years ago

Answers

DrBob222
KOH ==> K^ + OH^-
moles KOH = grams/molar mass.
M = moles/L of solution and that will be the molarity of the OH^-.
Convert to pOH, then to pH.
15 years ago

Related Questions

Calculate soln pH if 100 mL 0.10 M Na2S is mixed with 200 mL 0.050 M HCl. The hint is consider Kb fo... True/ False: The pH of a soln that is 0.20 M CH3COOH and 0.20 M CH3COONa should be higher than the p... a soln. that is .195 M in CH3NH2 and .105 M in CH3NH3Br what is the balanced equation for this ?... If you have a soln of HNO2 at equilibrium HNO2 (aq) + H20 (l) <-->H3O+ (aq) + NO2- (aq) and wate... In a .1M aq. soln of NaCN, how would you determine the major species (other than water)? And how wou... In titration of a 0.10M soln of Na2Co3 with HCL which of the following will be present in the larges... what is the ph of a soln that contain 0.01M HNO3 and 0.1M CH3COOH. for acetic acid,ka=1.8*10-5 suppose u r given a conc soln of hcl which is known to be 37% hcl & has a soln density of 1.19g/ml.... What is the general soln of dy/dx=9(x^2)(y) and particular soln of dy/dx=3x^2(e^-y) A student prepares a soln that is initally 0.006M Pb2+ and 0.00450M I-. This soln is placed into a 1...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use