3 Given that the molar mass of NaOH is 40.00 g/mol, what mass of NaOH is needed to make 2.500 L of a 2.000 M
NaOH solution?
moles of solute
Use molarity -
liters of solution
O 0.1250 g
O 5.000 g
O 32.00 g
O 200,0 g

0.1250 g

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons