Show:
The Mole
Molar Mass
Balancing Chemical Equations
Conversion of Units
100

What is a mole? (Que es un mole?)

It is a unit used to represent the number of atoms in a given mass of substance. (Es una unidad que representa la cantidad de atomos en una masa de sustancia)

100

What is the Molar Mass of H2O? (Que es la masa molar de H2O?)

18.02 g / mol

100

Balance the Equation (Balancea la eccuacion):

H2         +     O2     —>         H2O

2 , 1 , 2
100

How many moles are there in 10 grams of H? (Cuantos moles hay en 10 gramos de H?)

9.92 mol H

200

How many particles are there in 1 mol of any substance? (Cuantas particulas hay en 1 mol de cualquier sustancia?)

6.022 x 1023 particles

200

What is the Molar Mass of CaCl2? (Que es la masa molar de CaCl2?)

110.98 g / mol

200

Balance the Equation (Balancea la eccuacion):

N2         +     H2     —>         NH3

1 , 3 , 2

200

How many moles are there in 10 grams of NaCl? (Cuantos moles hay en 10 gramos de NaCl?)

0.171 mol NaCl

300

If you have 2 moles of NaCl, how many particles are there of NaCl? (Si tienes 2 moles de NaCl, cuantas particulas de NaCl hay?)

1.20 x 1024 particles NaCl

300

What is the Molar Mass of C6H12O6? (Que es la masa molar de C6H12O6?)

180.156 g / mol

300

Balance the Equation (Balancea la eccuacion):

Fe         +     O2     —>         Fe2O3

4 , 3 , 2

300

How many moles are there in 15 grams of MgSO4? (Cuantos moles hay en 15 gramos de MgSO4?)

0.124 mol MgSO4

400

What is another name used to represent the mole (6.022 x 1023)? (Que es otro nombre que se usa para representar un mole (6.022 x 1023)?

Avogadro's Number

400

What is the Molar Mass of H2SO4? (Que es la masa molar de H2SO4?)

98.08 g / mol

400

Balance the Equation (Balancea la eccuacion):

Cu     +     AgNO3     —>     Cu(NO3)2     +     Ag

1 , 2 , 1 , 2

400

How many particles are there in 10 grams of NaCl? (Cuantas particulas hay en 10 gramos de NaCl?)

1.02 x 1023 particles NaCl

500

What is heavier, 1 mol of Hydrogen or 1 mol of Oxygen?

(Que pesa mas, 1 mol de Hidrogeno o 1 mol de Oxigeno?)

1 mol of Oxygen

500

What is the Molar Mass of Ca3(PO4)2? (Que es la masa molar de Ca3(PO4)2?)

310.18 g / mol

500

Balance the Equation (Balancea la eccuacion):

C4H10        +    O2    —>      CO2         +     H2O

2 , 13 , 8 , 10

500

How many particles are there in 15 grams of MgSO4? (Cuantas particulas hay en 15 gramos de MgSO4?)

7.51 x 1022 particles MgSO4