ZnH2 + Cl2 → 2HCI + Zn How many grams of Cla are needed to produce 6.2 moles of HCI?
O 868 grams Cl2
O 217 grams Cl2
O 434 grams Cl2
O 108.5 grams Cl2

when [oh-] is 10-5  m, and [h3o+] is 10-9  m, the poh is 5 and ph is 9. again in both cases the sum of ph and poh is 14. however, the hydrogen ion concentration is not always going to be equal to exactly 1 x 10 raised to a negative number. for example, we skipped over the value of 2.0 x 10-7.

c. 75.7

i think that is the right

(b) which contains higher levels of vitamin b, oranges or spinach?

explanation:

you can eliminate a, c, and d because they are questions based on opinions.