chemistry problems? - Freemason Hirams Travels Masonic Forums

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03-21-2008, 10:25 PM

Ann

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chemistry problems?

i need help, i want to know if i got the right answers:
how many moles of ammonium nitrate are in 355mL of 0.425M NH(4not an exponent, but the little exponents on the bottom)NO(3not an exponent, but the little exponents on the bottom)?

i got .15 mol of NH4NO3

second problem:
how many moles of solute are in 250mL of 2.0M CaCl(2not an exponent, but the little exponents on the bottom)? How many grams of CaCl2 is this?

i got 47.50 mL

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