Two students made the Lewis dot diagrams of H2O. The diagrams are as shown.
:01
H
Н
Н
H
Student A
Student B
Which student drew the correct Lewis dot diagram?
Only Studenta
Only Student B
O Both Student A and Student B
O Neither Student A nor Student B
Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?
A650 ml sodium bromine solution has a bromide ion concentration of 0.245 m. what is the mass (g) of sodium bromide in solution? a) 103.b)0.00155.c)16400.d) 16.4.e) 0.159