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23 Nov 2019

If 1 grams of sodium bicarbonate are decomposed, determine the combined mass loss (in grams) of water and carbon dioxide that are produced. When a 1.11g mixtureof sodium chloride and sodium bicarbonate were heated for several minutes in a crucible and the mass after the first 3 heating intervals remained 0.82 grams.

What is the combined mass loss of water and carbon dioxide per gram on sodium bicarbonate? (Put your answer in 3 significant figures)

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Collen Von
Collen VonLv2
3 Aug 2019

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Related questions

A weighed amount of sodium chloride is completely dissolved in a measured volume of 4.00 M ammonia solution at ice temperature, and carbon dioxide is bubbled in. Assume that sodium bicarbonate is formed until the limiting reagent is entirely used up. The solubility of sodium bicarbonate in water at ice temperature is 0.75 mol per liter. Also assume that all the sodium bicarbonate precipitated is collected and converted quantitatively to sodium carbonate. The mass of sodium chloride in (g) is 14.3 The volume of ammonia solution in (mL) is 29.8 Calculate the following How many moles of ammonia are present originally? what is the limiting reagent? a) ammonia b) sodium chlorideWhat is the theoretical yeild of sodium bicarbonate in grams? How many grams of the sodium bicarbonate formed will precipitate from the above volume of solution? How many grams of sodium carbonate will be produced from this precipitate??

The fizz produced when an Alka-Seltzer tablet is dissolved in water is due to the reaction between sodium bicarbonate(NaHCO3) and citric acid (H3C6H5O7):

3 NaHCO3(aq) + H3C6H5O7(aq) 3 CO2(g) + 3H2O(l) + Na3C6H5O7(aq)

In a certain experiment 1.00 g of sodium bicarbonate and 1.00 g of citric acid are allowed to react. (a) Which is the limiting reactant? (b) How many grams of carbon dioxide form? (c) How many grams of the excess reactant remain after the limiting reactant is completely consumed?

1.A student attempts to identify an unknown compound by using chemical reactions to calculate mass relationships. After heating a sample weighing 0.4521 g, the mass decreased to 0.3400 g. When the product was reacted to form a chloride, the resulting mass was 0.3304 g.

How many moles of the chloride salt would be produced from one mole of the original unknown compound?

2. A student attempts to identify an unknown compound by using chemical reactions to calculate mass relationships. After heating a sample weighing 0.4521 g, the mass decreased to 0.3400 g. When the product was reacted to form a chloride, the resulting mass was 0.3304 g.

Given the mole ratio from the previous question, how many grams of sodium chloride salt can be produced from one mole of the unknown sodium compound? (One mole of the substance is equivalent to the formula weight of the substance.

__________g unknown Na compound (1 mol) = ________g of sodium chloride

3. A student attempts to identify an unknown compound by using chemical reactions to calculate mass relationships. After heating a sample weighing 0.4521 g, the mass decreased to 0.3400 g. When the product was reacted to form a chloride, the resulting mass was 0.3304 g.

Given the mole ratio from the previous question, how many grams of potassium chloride salt can be produced from one mole of the unknown potassium compound? (One mole of the substance is equivalent to the formula weight of the substance.

_____g unknown K compound (1 mol) = _______g of potassium chloride

4. What is the theoretical mass ratio to the correct number of significant figures?
mass of chloride.mass of unknown compound

Answer for the Na:

5. What is the theoretical mass ratio to the correct number of significant figures?

mass of chloride.mass of unknown compound

Answer for the K:

6. What is the unknown sample mass ratio?

(mass of chloride/mass of unknown compound)

Compare this answer with the answers to the previous 2 questions

Answer:

What is the unknown in this example? sodium chloride, sodium carbonate, potassium chloride, potassium carbonate, sodium bicarbonate

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