Question

What are the mole ratios for all relationships in the compound Ca2(NO3)2?
Ca2(NO3)2: Ca ____________ Ca2(NO3)2: N__________ Ca2(NO3)2: O____________
Ca: N ___________ Ca: O___________ N: O__________

Answer 1

@vocaloid

Answer 2

for each molecule of Ca2(NO3)2, determine how many of each atom there are

so for the first one: Ca2(NO3)2: Ca, for every molecule of Ca2(NO3)2 there are 2 Ca atoms so the ratio is 1:2

repeat this logic for the other ratios