What is the value of Avogadro's number?
A molecule of Al2(SO4)3 contains:
The atomic mass of N is 14.0 g/mol, and the atomic mass of H is 1.0 g/mol. What is the molecular mass of NH3?
What is the molar mass of NaOH?
How many grams is 4 moles of NaCl?
How many moles is 25.1 g H2O given the molar mass of H2O is 18.0 g/mol?
Match the coefficients with the correct subsstance in the following equation: _C4H10 + _O2 -> CO2 + H2O
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
6 | arrow_right_alt | O2 |
8 | arrow_right_alt | C4H10 |
13 | arrow_right_alt | CO2 |
1 | arrow_right_alt | H20 |
2 | arrow_right_alt | not used |
4 | arrow_right_alt | not used |
10 | arrow_right_alt | not used |
The reaction 4Fe + 3O2 -> 2Fe2O3 represents
How many moles of KCl are produced from 2.5 moles K given the following reaction: 2 K + Cl2 --> 2 KCl?
How many moles of NaOH are produced from 1.20 moles of Na2O given the following reaction: Na2O + H2O --> 2 NaOH?