AN2003 AN2003
  • 08-06-2017
  • Chemistry
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What is the mass of ca(oh)2 in 110. mL of 1.244 M ca(oh)2 solution

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LeChatNoir
LeChatNoir LeChatNoir
  • 08-06-2017
V= 110mL = 110cm³ = 0,11dm³
C = 1,244 mol/L = 1,244 mol/dm³


C = n/V
n = 1,244×0,11
n = 0,13684 moles

mCa(OH)₂ = 74 g/mol


1 mole Ca(OH)₂ ------------ 74g
0,13684 ---------------------- X
X = 74×0,13684
X = 10,12616g

:)
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