How many moles of n are in 0.221 g of n2o?

0.221 g of have 0.010 mol of N

Explanation:

Mass of

Step 1

Calculation of moles of

Molecular mass of = 14 × 2 + 16 = 44

Calculation of moles of N

1 mol of has 2 moles of N

0.005 mol of will have

                = 0.005 × 2 = 0.010 mol of N

So, 0.221 g of have 0.010 mol of N

a is the answer to this question

explanation:

the answer for sodium is 0.186

the answer for rubidium is 0.251