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Question 30

calculate the current that must be passed into a solution of chromium (III) salt for one hour in order to deposit 1.2g of chromium (Cr=51)

  • A.3.50amperes
  • B.2.30amperes
  • C.1.89amperes
  • D.1.52amperes
Objective

Question details

Exam body
UNIBEN
Subject
General Paper
Year
2012/2013
Question no.
#30
Type
Objective
Previous · Q29what mass of sodium hydroxide is required to make cm 3 of 0.2m solution?… Next · Q31 From the equation, calculate the mass of calcium hydroxide needed to react with…

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