Question

please solve this question​

Answer 1

Answer:

Hope it helps to you...

1 mole of H3PO4 is required to neutralize 3 moles of NaOH.

Hence we can say 120g of NaOH is neutralized by 98g of H3PO4.

(b)

Please mark me as brainliest... ❤️

Answer 2

Explanation:

OK let me correct what is the value of 180 degree - cos (p/ q) ,can you solve it now