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Posts by navi

Total # Posts: 11

Chemistry
you need to prepare 100 ml of ph=3.50 buffer solution using 0.100 M formic acid and 0.200 M sodium formate. how much of each solution shoudl be mixed to prepare this buffer?

Chemistry
What will happen if 100g of NaCl is placed in 200mL of water at 70C

Physics
A small box is held in place against a rough vertical wall by someone pushing on it with a force directed upward at 28∘ above the horizontal. The coefficients of static and kinetic friction between the box and wall are 0.40 and 0.30, respectively. The box slides down ...

math
how i calculate this equation 32/14*6+40-8

science
what was different about how alchemists and early chemists communicated their knowledge?

please help
thank you :)

please help
How are power, gender and responsibility linked in sexual harassment?

science
this is the 40th year that man has landed on the moon. what progress has been attained since man landed on the moon? please please please please please please hElP

science
Thank you so much Sra,really appreciate it.:D

science
how early south africans incorporated the stars into their world, explaining how they used the stars to mark seasons and events and retelling some legends and stories linked with specific stars and constellations

Algebra
b-w=2 b+w=3 (transpose) b=3-w (substitute) 3-w-w=2 (combine like terms) -2w=-1 (cancel -2) w= 1/2

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