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Mole Ratio Name: __________________________ Date: _________________ Balance the following reaction. Fill in the boxes below with the mole ratio. Note there are 2 separate reactions for each equation. _______MgBr 2 + _______Fe 3 N 2 _______Mg 3 N 2 + _______FeBr 2 24.0 mol 0.85 mol _______HF + _______Mn(OH) 4 _______MnF 4 + _______H 2 O 7.25 mol 1.50 mol Balance the following and solve the problem. Show all work in dimensional analysis form. 1. _____C 3 H 8 + _____O 2 _____H 2 O + _____CO 2 How many moles of water will be produced if 1.2 mol of oxygen reacts with excess C 3 H 8 ? 2. _____K + _____HgCl 2 _____Hg + _____KCl How many moles of potassium are needed to react with .633 moles of HgCl 2 ? 3. _____Hf + _____N 2 _____Hf 3 N 4 How many moles of hafnium nitride are produced when 2.00 moles of nitrogen reacts with excess hafnium? 4. _____Pb(NO 3 ) 4 + _____NaI _____PbI 4 + _____NaNO 3 How many moles of PbI 4 are produced when 11.7 moles of sodium nitrate are produced?

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Mole Ratio Name: __________________________Date: _________________

Balance the following reaction.Fill in the boxes below with the mole ratio.  Note there are 2 separate reactions for each equation.

_______MgBr2 + _______Fe3N2 _______Mg3N2 + _______FeBr2

24.0 mol

0.85 mol

_______HF + _______Mn(OH)4 _______MnF4 + _______H2O

7.25 mol

1.50 mol

Balance the following and solve the problem.  Show all work in dimensional analysis form.

1. _____C3H8 + _____O2 → _____H2O + _____CO2

How many moles of water will be produced if 1.2 mol of oxygen reacts with excess C3H8?

2. _____K + _____HgCl2 → _____Hg + _____KCl

How many moles of potassium are needed to react with .633 moles of HgCl2?

3. _____Hf + _____N2 →_____Hf3N4

How many moles of hafnium nitride are produced when 2.00 moles of nitrogen reacts with excess hafnium?

4. _____Pb(NO3)4 + _____NaI → _____PbI4 + _____NaNO3

How many moles of PbI4 are produced when 11.7 moles of sodium nitrate are produced?

5. _____Cl2 + _____KI → _____KCl + _____I2

How many moles of chlorine are need to produce .4789 moles of iodine?

6. _____Ba(CN)2 + _____H2SO4 → _____BaSO4 + _____HCN

How many moles of barium cyanide are need to produce 12.0 moles of barium sulfate?

7. Aluminum chloride reacts with potassium metal. If 3.25 mol potassium metal reacted, how many moles of eachproduct were formed?

8. Sodium metal reacts with oxygen gas. 0.600 mol of oxygen gas was used up. How many moles of sodium metalreacted? How many moles of the product were formed?

9. Nitrogen gas and hydrogen gas react together. If 9.43 mol of the product was formed, how many moles of nitrogengas and hydrogen gas were used up?

10. 7.11 mol of H2SO4 reacts with sodium hydroxide. How many moles of the base are necessary for this reaction?