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dybincka [34]
3 years ago
10

2NaOH H2SO4 → Na2SO4 + 2H20 50 cm3 of a 1,5 mol.dm-3 solution of NaOH is neutralised by 20 cm3 of H2SO4. 1 How many moles of NaO

H reacted? 2. How many moles of H2SO4 reacted? 3. What is the concentration of the acid?​
Chemistry
1 answer:
NISA [10]3 years ago
5 0

Answer:

SORRY I REALLY DONT KNOW THIS. THIS IS VERY HARD!!!!!!

Explanation:

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kobusy [5.1K]
Step 1 : write a valanced equation..
NaOH + HCl 》NaCl + H2O

Step 2 : find the number of mole of HCl..
1000 ml ..contains 4.3 mole
15ml... (4.3÷1000)×15 =...

Stem 3 : use mole ratio....
HCl : NaOH
1 : 1
So mole is same as calculated above...

Step 4 :
3.5 mole of NaOH is in 1000ml
(4.3÷1000)×15 mole is in ....


Do the calculation
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neonofarm [45]

Answer:

C

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