Question

5.
REY20.100 M HCOOH HCOO] Etri (K = 1.7 x104.
(2) 3.1 x103M
(3) 2.1 x10 M
1 x 10 M​

Answer 1

Explanation:

construct construct a quadrilateral ABCD in which a b is equal to 4 centimeter DC's equals to 3 centimeter CD is equals to 4 centimeter ad is equals to 3 centimeter and diagonally aC is equal to 5 centimeter major diagnose add is it equal to AC major angle a