30.0 g of NaCl(s) is added to water to make 800 mL of salt solution. a) Determine the number of moles in 30.0 g of NaCl(s). (1 mark)

b) Calculate the molar concentration of this salt solution. (1 mark)

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates

yes

ya te ayud espera