The other dude is rude wrong
The correct answer is Dmitri Mendeleev
The answer is C, because if the copper has a +2 charge, the fluoride must have a -2 charge in order to cancel out.
Concave is not a type of mechanical wave because it doesn’t need a medium for propagation.
Answer: m= 3.15x10-3 g NaHCO3
Explanation: To find the mass of NaHCO3 we will use the relationship between moles and molar mass. The molar mass of NaHCO3 is 84 g.
3.75x10-5 moles NaHCO3 x 84 g NaHCO3 / 1 mole NaHCO3
= 3.15x10-3 g NaHCO3
