3NaCl(aq) + Al(NO3)3(aq) → AlCl3(s) + 3NaNO3(aq) 3. What mass of NaCl is required to fully react 50.0 mL of a 0.0500 M solution of Al(NO3)3?
4. How many liters of 2.00 M NaNO3 solution are produced from 25.0 g of Al(NO3)3?
5. How many grams of AlCl3 are produced from 100.0 mL of a 3.05 M solution of NaCl?
pls help!

Why is nh3 classified as a polar molecule

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?