# Chemistry

posted by .

1.9 mol HCl and 3.8 mol NaOH react according to the equation
HCl + NaOH −→ NaCl + H2O .
Calculate the amount in moles of NaCl
formed.

• Chemistry -

This is limiting reagent problem.
1.9 mol HCl can form 1.9 mol NaCl if it has all of the NaOH it needs (It will need 1.8 mol NaOH).
3.8 mol NaOH can form 3.8 mol NaCl if it has all of the HCl needed(it would need, of course, 3.8 mol HCl. It doesn't have that much).
Therefore, the 1.9 mol HCl will form 1.9 mol NaCl and it will use 1.9 mol NaOH in the process. There will be some NaOH remaining unreacted. 3.8-1.9 = 1.9 moll NaOH unreacted.

## Similar Questions

1. ### chemistry

Could you help me get a definition for each of these words. for i can have a better understanding of them Thanx Titration gas collection crystalization fractional distillation solvent limiting reagent I have defined titration, gas …
2. ### chemistry

Which of the following mixtures will be a buffer when dissolved in a liter of water?
3. ### CHEM

Which of the following mixtures will result in the formation of a buffer solution when dissolved in 1.00 L of water?
4. ### chemistry

Calculate the pH from the addition of 10 mL of a 0.10 M NaOH solution to 90 mL of 0.10 M HCl. okay so i understand how to do most of it but i get messed up at one part.. so i made my equation: NaOH + HCl -> H2O + NaCl (strong base, …
5. ### Science

1.8 mol Zn and 7.3 mol HCl react according to the equation Zn + 2 HCl −→ ZnCl2 + H2 . If the limiting reactant is Zn, calculate the amount of ZnCl2 formed. Answer in units of mol
6. ### chemistry

Given the thermochemical equation below, calculate the amount of energy released when 250. g of NaOH (molar mass = 40.0 g/mol) reacts with an excess of HCl. Report answer to the correct number of significant figures in units of kilojoules, …
7. ### Chemistry

I need help I can't seem to get the right answer. Please help! 1/2 H_2 (g) + 1/2 Cl_2 (g) --> HCl (g) -92.3 kJ/mol Na(s) + 1/2 O_2(g) + 1/2H_2(g) --> NaOH(s) -426.8 kJ/mol NaCl(s) --> Na(s) + 1/2Cl_2(g) 411.1 kJ/mol H_2O(l) …
8. ### Chemistry

1.38 mol HCl and 2.9 mol NaOH react accord- ing to the equation HCl + NaOH −→ NaCl + H2O . If the limiting reactant is HCl, determine the amount of excess reactant that remains. Answer in units of mol.
9. ### Chemistry

1.38 mol HCl and 2.9 mol NaOH react accord- ing to the equation HCl + NaOH −→ NaCl + H2O . If the limiting reactant is HCl, determine the amount of excess reactant that remains. Answer in units of mol.
10. ### chemistry

1.2 mol HCl and 3.9 mol NaOH react to this equation, HCl + NaOH=NaCl + H20 If the limited reactant id HCl, calculate the amount of NaCl formed in moles. Please help and explain how to solve this so I may understand it better please …

More Similar Questions