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    chemistry balanced ionic and net-ionic?..help?

    hello, i need help with this. can you please be specific and very detailed because i dont understand how to go from molecular to ionic and to net-ionic. the question is this. balanced the equation then balanced ionic and net-ionic. included physical state s,aq,ect. HNO3(aq)+Sr(OH)2(aq)...
  2. M

    Moles of aluminum in a 0.856 sample?

    how many moles of aluminum are present in a 0.856g sample of an aluminum can?( assume that the can is pure aluminum). anybody know how to solve for this? ..thanks
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    volkswagen gti 2001 oxygen sensors?car help?

    i have a volkswagen gti 2001 with a 1.8l engine. my check engine light was on and the guy told me it was the oxygen sensor. he said he will fix it for $150. my question is how many oxygen sensors does this car have and where are they located. i saw the sensors go for $50 and i dont want to spend...
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