Chemistry
Chemistry, 21.02.2021 09:20, hilzepesqtatiana

5 pos. 1. An excess of sodium sulfate was added to a 500. mL sample of polluted water. The mass of lead (II) sulfate that precipitatcd was 308.88 mg. Determine the mass of lead that was in
the polluted water.
Na2SO4(aq) + Pb2+ (aq) β†’ 2Na(aq) + PbSO4(s)

answer
Answers: 2

Other questions on the subject: Chemistry

image
Chemistry, 21.06.2019 16:20, maevemboucher78
Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2al(s)+3cl2(g)β†’2alcl3(s) what is the maximum mass of aluminum chloride that can be formed when reacting 32.0 g of aluminum with 37.0 g of chlorine? express your answer to three significant figures and include the appropriate units.
Answers: 2
image
Chemistry, 22.06.2019 09:00, kcarstensen59070
What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.
Answers: 1
image
Chemistry, 22.06.2019 15:00, kandi2565
Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ΒΊc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ΒΊc ?
Answers: 2
image
Chemistry, 23.06.2019 02:00, Hellopeople233
Which of the following substances is the most soluble in water? a. sodium chloride b. methane c. bromine d. carbon
Answers: 1
Do you know the correct answer?
5 pos. 1. An excess of sodium sulfate was added to a 500. mL sample of polluted water. The mass of...

Questions in other subjects:

Konu
Spanish, 21.09.2019 07:00