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auro
Questions (14)
balance:
Cr(OH)3+Na2O2---- Na2CrO4+H2O+NaOH
1 answer
1,084 views
Can someone give me 4 or 5 examples of the conservation of the impulse in sports and 4 or 5 examples of the conservation of the
0 answers
393 views
can someone give me 5 examples for the conservation of the angular momentum , 5 for the conservation of the impulse , and 5 for
1 answer
504 views
can u mention me 5 acidic salts , 5 basic salts and 5 neutral salts ?
3 answers
967 views
what about HCN, HCLO4, H2SO4 , are they strong acids or weak
2 answers
458 views
what is a strong acid
1 answer
341 views
how to know if an acid is weak or strong , i simply don't understand the idea of dissolving or not dissolving completely in
2 answers
414 views
determine the quantity of NaOH whose concentration is 15% w/v to neutralize 176g H2SO4 , this is the exact problem and no its
2 answers
979 views
determine the quantity of NaOH whose concentration is 15% to neutralize 176g H2SO4 , this is the exact problem and no its not an
1 answer
398 views
the problem requires the quantity of NaOH, this is what i don't understand what does it mean by quantity , the volume , the mass
1 answer
397 views
ok this problem has made me crazy , 15 % is w\v ok , so i just the m1 , the mass of naoh i don't need the volume , so ill
2 answers
536 views
need to calculate the mass (m ) of NaoH with C% = 15 % , to balance 176 g of H2SO4 so i though to use this method C% = mass of
1 answer
519 views
need to calculate the mass (m ) of NaoH with C% = 15 % , to balance 176 g of H2SO4 so i though to use this method C% = mass of
1 answer
1,025 views
determine the quantity of NaOh whose percentage is 15 % to balance 176 g of H2SO4
2 answers
401 views
Answers (7)
not for all of them **
no i really need 5 of each category i mentioned above
H2SO3 SORRY
thanks a lot
15 % w/v
the problem requires the quantity of NaOH, this is what i don't understand what does it mean by quantity , the volume , the mass ,or the molar concentration ?? it must be the molar concen. of NaOH since i have to use all the things that are give to the
i need to calculate the mass (m ) of NaoH with C% = 15 % , to balance 176 g of H2SO4 so i though to use this method C% = mass of h2s04 / mass of h2so4 + mass of Naoh which is unknown mass of Naoh = c% x mass of h2so4 / 100 is this the right method or not ?
