The 4-4-9 system is used to estimate the number of in food. Question 9 options: A) kilojoules B) calories C) joules D) nutritional Calories

particle   p is an electron and particle q is a neutron

the dissociation of nickel hydroxide is follows:

the concentration of hydroxide ion is

the equilibrium constant value of nickel hydroxide is = 6.1 * 10^-^1^6 and thus equilibrium equation can be written as:

thus, concentration of ni is 0.23 * 10^-^4 mol /l

answerleaving cheese out to get moldy;