Question 2 a sample of sodium chloride (nacl) has a mass of 16.55 g.
b) a sample of nacl (sodium chloride) has a mass of 16.55g. calculate the number of moles of na (sodium). calculate the number of moles of cl (chlorine). (hint; you can use your answer from part a as your starting point.) show your work and highlight your final answer.
c) a sample of nacl (sodium chloride) has a mass of 16.55g. calculate the number of atoms of na (sodium). calculate the number of atoms of cl (chlorine). (hint; you can use your answer from part b as your starting point.) show your work and highlight your final answer.
question 3 a sample of table sugar (sucrose, c12h22o11) has a mass of 5.432 g.
a) calculate the number of moles of c12h22o11 in the sample. show your work and highlight your final answer.
b) a sample of table sugar (sucrose, c12h22o11) has a mass of 5.432 g. calculate the number of moles carbon. calculate the number of moles hydrogen. calculate the number of moles oxygen. (hint: you can use your answer from part a as your starting point.) show your work and highlight your final answer.
c) a sample of table sugar (sucrose, c12h22o11) has a mass of 5.432 g. calculate the number of atoms carbon. calculate the number of atoms hydrogen. calculate the number of atoms oxygen. (hint: you can use your answer from part b as your starting point.) show your work and highlight your final answer.
i need with this you
Answers: 1
Chemistry, 21.06.2019 13:20
An aqueous solution of calcium hydroxide is standardized by titration with a 0.120 m solution of hydrobromic acid. if 16.5 ml of base are required to neutralize 27.5 ml of the acid, what is the molarity of the calcium hydroxide solution?
Answers: 3
Chemistry, 23.06.2019 19:20
How did albert einstein explain the photoelectric effect? a) light is made up of electrons b) light is made up of atoms c) light is made up of electricity d) light is made up of photons
Answers: 2
Chemistry, 23.06.2019 23:10
Exactly 1.00 ml of an aqueous solution of hno3 is diluted to 100.0 ml. it takes 29.78 ml of 0.0142 m ca(oh)2 to convert all of the hno3 to ca(no3)2. the other product of the reaction is water. calculate the molarity of the undiluted hno3 solution. petrucci, ralph h.. general chemistry (p. 144). pearson education. kindle edition.
Answers: 2
Chemistry, 24.06.2019 00:00
Calculate the solubility of o2 in water at a partial pressure of o2 of 120 torr at 25 ̊c. the henry's law constant for o2 at 25 ̊c is 1.3 x 10-3 mol/l atm. how do you expect the solubility to change if the temperature were decreased?
Answers: 1
Question 2 a sample of sodium chloride (nacl) has a mass of 16.55 g.
b) a sample of nacl...
b) a sample of nacl...
Mathematics, 06.05.2020 01:23
Mathematics, 06.05.2020 01:23
Chemistry, 06.05.2020 01:23
Physics, 06.05.2020 01:23
Mathematics, 06.05.2020 01:23
Mathematics, 06.05.2020 01:23
Computers and Technology, 06.05.2020 01:23