Answer:
C. it's relative distance to earth is closer than the other stars
65 Grams is the mass of the beaker because you just take the mass of Water + Beaker and take the water away now you have the mass of the beaker
Ammonium Hydroxide is basic. At concentration of 1 mM it has a pH of 10.09. At concentration of 10 mM is has a pH of 10.61. At concentration of 100 mM it has a pH of 11.12. Hope that helps somewhat
The answer is 2.37 x10^22 atoms
There’s 1024 atoms of sodium in 2 moles of sodium
