Ask a New Question

Question

what mass of NaOH would be needed to neutralize exactly 200cm of a solution containing 4.9g per dm of H2SO4
4 years ago

Answers

DrBob222
2NaOH + H2SO4 ==> Na2SO4 + 2H2O
4.9 g H2SO4 is how many moles? That's mols = g/molar mass = 4.9/98 = 0.05. The equation tells you that you will need twice that or 0.05 x 2 = 0.1 mol NaOH. How many grams is that? g NaOH = mols NaOH x molar mass NaOH = ?
Post your work if you get stuck.
4 years ago

Related Questions

what mass of NaOH would be dissolved in 1dm3 of water to obtain 0.5 moles of the NaOH solution What is the mass of NaOH required to prepare 100.0mL of NaOH(aq) that has a pH = 13.62 ? A. 0.38g... what mass of a 15% (m/m) NaOH solution contains 125 grams NaOH? 1) Suppose the mass of the NaOH used in a reaction was doubled. What would you expect to happen to t... What mass of NaOH(s) must be added to 300 mL of HCl 0.25 M in order to completely neutralize this ac... What is the mass of naoh needed to prepare a 0.365m solution dissolved in 1525ml of water 1.What mass of NaOH(s) must be added to 300 mL of HCl 0.25 M in order to completely neutralize this... 8. The mass of NaOH required to prepare 250~cm^{3} of 0.1M NaOH is (A) 10g (B) 4g (C) 40g (D) 1g Question 8. The mass of NaOH required to prepare 250~cm^{3} of 0.1M NaOH is? (A) 10g (B) 4g (C) 4...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use