Negative Voltages

OK. Is it okay if I don't have those exact caps?
I have only multiples of 10:
1pF, 10pf, 100pf, 1n, 10n, 100n, 1u, 10u, 100u
5 of each. So can I have 2 x 100n in series to make ~220n?

Oh and I have the lm358.