Question

Asked Jun 12, 2019

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In a Ni-Cd battery, a fully charged cell is composed of nickelic hydroxide. Nickel is an element that has multiple oxidation states. Assume the following proportions of the states:

Nickel Charge |
Proportions Found |

0 |
0.17 |

+2 |
0.33 |

+3 |
0.33 |

+4 |
0.5-0.33 |

Determine the variance of the nickel charge. Please enter the answer to 3 decimal places.

Step 1

Let *X* be the nickel charge.

The provided info...

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