Sunday
May 19, 2013

Posts by Jessica


Total # Posts: 2373

chemistry
If 8 cm3 of 9.9 mol m-3 Fe(NO3)3 are mixed with 10 cm3 of 1.0 mol m-3 KSCN solution in a 20 cm3 volumetric flask and water is added to bring the total volume up to 20 cm3, what is the concentration of the Fe3+ ions (in mol m-3)?

math
For every 3 boys at soccer camp there are 2 girls. If there are 20 children at soccer camp.How many are girls?

Social studies
Plz help

Social studies
Why did the portuguese and other europeans want slaves??

algebra 2
what is the y-intercept, the x-coordinate of the vertex and the equation of the axis of symmetry of the problem f(x)=2x^2

Chemistry
Calculate the number of grams of solid Mg(OH)2 that will dissolve in 650 mL of water. For Mg(OH)2, Ksp = 1.5 x 10-11. Assume no volume change for the solution when the solid is added. A. 0.0093 B. 0.0059 C. 0.012 D. 0.019 E. 0.060 I got 0.0059, but I'm not sure if this is ...

ECC
choie 1

Chemistry
What is the name (NOT THE NUMBER) of the group whose elements carry a neutral charge?

Chemistry
A ___________ means that 2 or more substances have combined, yet the 2 substances retain their chemical identity?

Chemistry
A ___________ means that 2 or more substances have combined, yet the 2 substances retain their chemical identity?

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