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4 HCl + O_{2} → 2 H_{2}O + 2 Cl_{2}
How many moles of O_{2} are required to react with 231 moles of HCl?
What mass of O_{2} can be formed from the decomposition of 35.8 g of NH_{4}NO_{3}?
What mass of N_{2} can be formed from the decomposition of 35.8 g of NH_{4}NO_{3}?
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Calculate the volume of 2.59×10^{3}M NaClO_{4} solution needed to provide 8.47×10^{2} g of NaClO_{4}.
Calculate the molality of magnesium acetate in the solution prepared by adding 43 grams of the salt to 128 grams of water.
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Calculate the volume of 2.59×10^{3}M NaClO_{4} solution needed to provide 8.47×10^{2} g of NaClO_{4}.
Calculate the molality of magnesium acetate in the solution prepared by adding 43 grams of the salt to 128 grams of water.
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What mass of the secondlisted reactant in each of the following reactions is needed to react completely with 7.523 g of the firstlisted reactant?
4NH_{3} + 5O_{2} → 4NO + 6H_{2}O
CaO + 3C → CO + CaC_{2}
Balance the reaction of sulfuric acid with sodium hydroxide.
H_{2}SO_{4} + NaOH → Na_{2}SO_{4} + H_{2}O
How many moles of sodium sulfate are produced when 33.3 moles of sodium hydroxide completely react with sulfuric acid.
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Balance the reaction of sulfuric acid with sodium hydroxide.
H_{2}SO_{4} + NaOH → Na_{2}SO_{4} + H_{2}O
How many moles of sodium sulfate are produced when 34.8 moles of sodium hydroxide completely react with sulfuric acid.
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A 118mg sample of Na_{2}CO_{3} is dissolved in H_{2}O to give 2.30L of solution.
What is the concentration of Na^{+} in parts per million (ppm)?What is the final molarity when 40.00 mL of a 0.803M HClO_{4} solution is diluted to 660.00 mL?
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Carbonyl bromide, COBr_{2}, decomposes to CO and Br_{2} by the following simple, gasphase, reaction:

If a 2.0 liter flask is found to contain 0.093 mol of COBr_{2} at equilibrium, what will be the equilibrium concentrations of CO and Br_{2} in the same flask? The equilibrium constant for this reaction is K_{c}= 0.190. Enter your answer in scientific notation
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The sides of a triangle are in a 2:3:4 ratio. What is the length of the longest Mathematics Assignment Help
.  The sides of a triangle are in a 2:3:4 ratio. What is the length of the longest side if the perimeter of the triangle is 63 in.?  

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A sample of approximately 5 grams of sodium hydroxide (MM 40) was weighed on an electronic balance. Its mass was found to be 4.796 grams. This sodium hydroxide was dissolved in sufficient water to make 320 mL of solution. What is the molarity of the solution? Enter your answer with three significant figures.
_____is a Glassware used to transfer the 2.159 M NaOH to be diluted
A
B
C
D
E
F
G
H
<= Glassware used to measure the final volume of the diluted M NaOH
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A 118mg sample of Na_{2}CO_{3} is dissolved in H_{2}O to give 2.30L of solution.
What is the concentration of Na^{+} in parts per million (ppm)?What is the final molarity when 40.00 mL of a 0.803M HClO_{4} solution is diluted to 660.00 mL?
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