Intro Chemistry
oh thanks I get it now..
Intro Chemistry
tried using M1V1=M2V2 but without sucess
Intro Chemistry
_______g of MnSO4 H2O are needed to prepare a solution of 100.00mL of 0.100 M MnSO4. Thank You
Oxidation State
Give the oxidation sate for the monoatomic cobalt species whose electron configuration is the following:[Ar]4s0 3d6 Is the answer +3? Thank you!
Intro Chemistry
Thank you, I guess I got confused with Al and As :)
Intro Chemistry
I am reviewing my test and I having trouble figuring out the answer to the following question: List the following element symbols in order of decreasing exothermic electron affinity: Al, Ca, As _______>________>________ I wrote: Al>As>Ca (I got it wrong) I know tha...
GenChem II
What mass of CsBr must be added to .500L of water to produce .4molality solution? What are mole fraction and mass percent? Here is my work and below I will post a question about it: 1 mol CsBr = 212.81g density of water = 1g/mL d=mv 1=x/500 x=500g of water --> solvent .4mol...
Organic chemistry
How many grams of water would it take to quench 1 g of phenylmagnesium bromide?
bobpursley plz check
i m getting 9.77 g for Bi2S3 . no limiting reactant .. both are same .. can u plz conform
Chemistry
Can you repost #1 please. Thanks.
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