How many total moles of kno3 must be dissolved in water to make 1.5 liters of a 2.0 m solution? a.0.50 mol b.2.0 mol c.3.0 mol d.1.3 mol?

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Which of these conditions most likely produces an unstable isotope?

Determine the ph of 0.10 m nh3 solution. nh3 is a weak base with a kb equal to 1.8 x 10-5 round answer to nearest whole number.