The correct answer is D. Frequency. I just took the test.
Late Reply. Should be Hydropower ,if i'm correct.
I hope this helps . This is kinda step by step
Any elements in the same periodic group as oxygen such as sulfur, as elements are grouped together through similar properties
This is molarity: moles of solute/liters of solution. (Not molality)
1. Plug in what we know:
500 mL = 0.5 L
0.80 = moles/0.5
0.80*0.5 = moles
moles = 0.4
2. NaOH is given as 40 g/mole, so calculate the grams:
0.4 * 40 = 16 grams
answer: 16 grams