I’m assuming the cordial is cocoa, two cups equals a pint. So he should add 1 pint or 2cups of water. Whichever measurement you need.
a is the answer because all of the other answers are wrtong
Answer
C6H807 = 192.124 g/mol
n = m/M

n = 0.119 mol
Explanation:
to calculate amount in moles you need to find the molar mass of citric acid then divide the mass of the acid with the molar mass
Answer:
It only has 7 valence electrons because there are seven electrons in the highest orbital.
Explanation: