Mos commonly 2 elements combine.
examples: H2, O2
Concentration of the reactant,pressure,surface
area of the reactant and temperatur
Answer:
157.79 g
Explanation:
The definition of molality is:
- molality = moles of solute / kilogram of solvent
This means that in a 2.7 molal solution, there are 2.7 moles of NaCl per kilogram of water.
So now w<u>e convert those 2.7 moles of NaCl to grams</u>, using its <em>molar mass</em>:
- 2.7 mol * 58.44 g/mol = 157.79 g
Answer: calories?
Explanation: but isn’t it 1 calorie = 4.184 joules of energy
Your answer is 1-3-2-4 , grass sand water rock