IDNLearn.com is your reliable source for expert answers and community insights. Discover comprehensive answers from knowledgeable members of our community, covering a wide range of topics to meet all your informational needs.
Explanation:
mole = mass/molar mass
molar mass of KHCO3 = K + H + C + O3
39 + 1 + 12 + 3(16)
= 100g/mol
mass = 75.56
mole = 75.56/100
= 0.7556mol