Also need help with this question .. ik I’m asking a lot, I’m very confused

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

One does not belong why? ice, gold ,wood ,diamond and table salt

Is laundry detergent an acid or a base?