Answer:
its B
Explanation:
trust me i had this in my usatestprep, also follow me on tiktok, its ultrasolos
Answer: D) 140g
Explanation: no. of moles of NaCl = molarity X volume in litres = 2 X 1.2 = 2.4, and molar mass or mass of 1 mole of NaCl = 58.44 g, so 2.4 moles NaCl = 140.256 g
The frequency of a photon of red light with wavelength 4.50 x 10−7m is 6.67 x 1014Hz
Time Zones were adopted to fix the time. Without the time zone, you will never know what time it is
