exam Maths Puzzle Numerical Ability

Given the algorithm,

1. pH = - log[H+]
2. H+ = 10-pH

where pH is acidity level and H is hydrogen ion concentration

Find [H+] for condensed milk with 6.3 pH.

Make

Read Solution (Total 0)

exam Other Question

- 7 5/12 + 3 11/18== debating with family about this answer.. we are all getting different answers. Please tell me im right Can someone help me with the problem below, thanks.
Six distinct points lie on the circumference of a circle. How many inscribed quadrilaterals can be drawn having four of these points as vertices?
Thanks again.