Multiple Choice
In seawater, Mg2+ is about 1350 mg Mg2+/L. How many grams of magnesium are in a pool that is 25 ft by 12 ft by 6 ft? (1 ft = 12 inches and 1 inch = 2.54 cm)
A) 4.78 × 102 g
B) 74.1 g
C) 6.88 × 104 g
D) 6.88 × 107 g
E) 1.64 × 103 g
Correct Answer:

Verified
Correct Answer:
Verified
Q8: Which of the following statements describes an
Q19: Choose the INCORRECT statement.<br>A)The class "detergents" does
Q42: Which of the following statements about the
Q49: Complete the following reaction: B(OH)<sub>3</sub>(aq) + 2
Q50: The Solvay process involves a reaction of
Q51: How much tin is needed to make
Q55: Which of the following is an indication
Q58: Write the equation for the electrolysis of
Q60: A magnesium fire can always be extinguished
Q100: Strontium is a softer metal than calcium.