Formulas

Question 1

Solution Concentration in Mass Percent

Answer 1

(Mass of solute) / (Mass of Solute + Mass of Solvent) *100%

Question 2

Solution Concentration in Molarity

Answer 2

Moles of Solute/L of Solution

*use molar mass

Question 3

Solution Concentration in Volume

Answer 3

(Volume of Solute)/ (Volume of Solution) *100%

Question 4

Solution of Mass/Volume Percent

Answer 4

(Mass grams of solute )/(Volume mL of solution) *100%

Question 5

Concentration and dilution

Answer 5

C1V1=C2V2

Question 6

How to find the number of particles

Answer 6

• 6.022* 10^23

Question 7

How to find Density

Answer 7

Density = Mass (g)/Volume (mL)

Question 8

Specific Gravity

Answer 8

Specific Gravity = density of sample/density of water

Question 9

How to find TF

Answer 9

TF = 1.8 TC + 32

Question 10

How to find TK

Answer 10

TK = TC + 273

Question 11

How to find TC

Answer 11

TC = (TF -32)/1.8

Question 12

Food type energy values

Answer 12

Carbs* 4kcal
Fat* 9kcal
Protein*4kcal

Question 13

How to find Specific Heat

Answer 13

Heat/Mass* change of temperature
OR
cal or Joules/g Degrees Celsius