Other Chemistry Answers

For the following chemical reaction, what mass of calcium carbonate (in grams) will be produced from 5.03 mol of sodium carbonate?

Na2CO3 + Ca(NO3)2 ---> CaCO3 + 2NaNO3

Iodine is prepared both in the laboratory and commercially by adding Cl2(g) to an aqueous solution containing sodium iodide:

2NaI(aq) + Cl2(g) ---> I2(s) + 2NaCl(aq)

How many grams of sodium iodide, NaI, must be used to produce 40.4 g of iodine, I2?

For the following chemical reaction, how many moles of lead (II) iodide will be produced from 136 g of potassium iodide?

2Kl +Pb(NO3)2 ---> PbI2 + 2KNO3

In the following reaction, how many grams of sulfuric acid, H2SO4, will be needed to react with 87.3 g of sodium hydroxide, NaOH?

2NaOH + H2SO4 ---> Na2SO4 + 2H2O

In the following reaction, how many grams of potassium phosphate, K3PO4, will be produced from 62.3 g of potassium hydroxide, KOH?

3KOH + H3PO4 ---> K3PO4 +3H2O

The combustion of propane may be described by the chemical equation,
C3H8(g) + 5O2(g) --> 3CO2(g) + 4H2O(g)
How many grams of O2(g) are needed to completely burn 97.3 g of C3H8(g)?

When heated, KClO3 decomposes into KCl and O2.
2KClO3 ---> 2KCl +302
If this reaction produced 74.6 g of KCl, how much O2 was produced (in grams)?

If you have 80 g of solute and want to make a 56% w/w solution how many grams of water should you add, rounded to the nearest thousandth

The combustion of ethane (C2H6) produces carbon dioxide and steam:
2C2H6(g)+70(g)—>4CO2(g) +6H2O(l)
How many moles of CO2 are produced when 5.70 mol of ethane are burned in an excess of oxygen?2

How do you prepare 50.0 ml of .03 M concentrated hydrochloric acid.calculate the amount needed,the dilution scheme and actual final concentration?