In scientific notation, the number 0.0046 is expressed as
A) 46 10-3.
B) 4.6 10-3.
C) 4.6 10-2.
D) 4.6 10-1.
E) 46 10-1.
Question 2
How much NaOH is present in a 75.0 mL sample of a 5.00 (w/v) solution?
A) 3.75 g
B) 5.00 g
C) 6.67 g
D) 15.0 g
E) 75.0 g