How many moles of sodium chloride are there in 250 ml of a 1.20 m solution of nacl? 1. none of these 2. 0.60 3. 1.2 4. 2.4 5. 0.30 6. 4.8?

If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5

Which statement justifies that hydrogen peroxide (h2o2) is a polar molecule? the o – h bond is nonpolar and the molecule is asymmetric. the o – h bond is nonpolar and the molecule is symmetric. the o – h bond is polar and the molecule is asymmetric. the o – h bond is polar and the molecule is symmetric.

What are the names of these two interactions with cattle and how do they differ from each other