Calculate the ph of a solution that is 0.278 m in sodium formate (nahco2) and 0.222 m in formic acid (hco2h). the ka of formic acid is 1.77 * 10^-4.

How we determine if a planet is habitable?

Which group on the periodic table contains only metals? A. the second group B. Along the top C. Along the bottom D. The last group

How did ernest rutherford's discovery affect the model of the atom?

When 7.00 g of hydrogen react with 70.0 g of nitrogen, hydrogen is considered the limiting reactant because: 7.5 mol of hydrogen would be needed to consume the available nitrogen. 7.5 mol of nitrogen would be needed to consume the available hydrogen.

Which particle changes the mass of the isotope the most? which particle changes the mass of the isotope the most? electron capture positron emission gamma capture alpha particle neutron particle?

Select the answers below that represent the ionic compounds in this list: na2so4 h2so4 ch3-ch3 n2o4 cacl2 ca3 (po4) 2

What is a physical property of water? A) liquid at room temperature B) not flammable C) pH of 7 D) reacts with sodium

If 0.360 J of heat is added to 0.7402 g of water, how much will the temperature increase?

Which of the following are properties of mechanical waves?

Why LDL called "bad" cholesterol?