Unit 6: #16-18

Question 1

16a. Name MgCl2

Answer 1

magnesium chloride

Question 2

16b. Name B2 O4

Answer 2

diboron tetroxide

Question 3

16c. Name MnCl3

Answer 3

mangenese (III) chloride

Question 4

16d. Name (NH4)2 S

Answer 4

ammonium sulfide

Question 5

16e. Name Zn(NO3)2

Answer 5

zinc nitrate

Question 6

16f. Name XeF6

Answer 6

xenon hexafloride

Question 7

17a. Find the molar mass of Pb(NO3)2

Answer 7

331.2 g/mol

Question 8

17b. Find the molar mass of BaSO4

Answer 8

233.4 g/mol

Question 9

18a. Find the number of moles using the molar mass. 12g MgCl2

Answer 9

0.13mol

Question 10

18b. Find the number of atoms using Avogadro’s number. 3mol NaCl

Answer 10

2x10^24atom

Question 11

18c. Find the number of atoms using molar mass AND Avogadro’s number. 45.2gC

Answer 11

2.27x10^24atoms