What is the molar mass of M2CO3?
What is the molar mass of M2CO3?
After finishing all of the calculations, a molar mass for M2CO3 of 107.2 g/mol was received. Since this is very close to the sodium carbonate, Na2CO3, molar mass, it is safe to assume that M is sodium and M2CO3 is sodium carbonate.
What is M2CO3?
The carbonate of metal M has the formula M2CO3. the equation for the reaction of this carbonate with hydrochloric acid is given below: M2CO3 + 2HCl –> 2MCl + CO2 + H2O. a sample of M2CO3 of mass 0.394g required the addition of 21.7cm3 (cubed) of a 0.263mol dm-3 solution of hydrochloric acid for complete reaction.
How will you calculate the molar mass of the unknown metal carbonate from the calculated moles and given mass?
To find the molar mass of the metal carbonate, we took the mass of the sample used (the metal carbonate) and divided it by moles of CO2 released, which was just calculated.
What is the atomic mass of M?
The Elements, sorted by Atomic Mass
| Atomic Number | Symbol | Atomic Weight (amu, g/mol) |
|---|---|---|
| 12 | Mg | 24.305 |
| 13 | Al | 26.98154 |
| 14 | Si | 28.0855 |
| 15 | P | 30.97376 |
How do you identify an unknown carbonate?
Metal carbonates and bicarbonates react with hydrochloric acid to produce metal chlorides, water and carbon dioxide gas. This is the “acid test” used by geologists to identify carbonate containing rocks and minerals.
What is the molecular weight of caco3?
100.0869 g/mol
Calcium carbonate/Molar mass
How do you identify an unknown metal?
You can identify an unknown substance by measuring its density and comparing your result to a list of known densities. Density = mass/volume. Assume that you have to identify an unknown metal. You can determine the mass of the metal on a scale.
How is the molar mass of m2co3 determined?
Correspondingly, what is the molar mass of m2co3? 107.2 g. Also Know, how do you determine molar mass? Key Points. The molar mass is the mass of a given chemical element or chemical compound (g) divided by the amount of substance (mol).
How to calculate the mass of unknown carbonate?
The moles of calcium carbonate, CaC03, are equal to the moles of Group 1 metal carbonate, M2C03, added to the original solution. Dividing the mass of the unknown carbonate by the moles of calcium carbonate yields the formula weight, and thus the identity, of the Group 1 metal carbonate.
How to calculate the molar mass of calcium carbonate?
Use this to find the moles of calcium carbonate. (c) Calculate the molar mass of the unknown M2CO3. Hint: molar mass of M2CO3 = grams anhydrous salt ÷ moles CaCO3 (d) What is the identity of the unknown metal carbonate?
How to calculate the molar mass of an unknown metal?
Hint: grams anhydrous salt = (mass of crucible + M2CO3) – mass of crucible (b) Calculate the mass of calcium carbonate precipitated. Use this to find the moles of calcium carbonate. (c) Calculate the molar mass of the unknown M2CO3.