What mass of ice at 0.0^(@) C must be ad...

What mass of ice at `0.0^(@)` C must be added to 100g `H_(2)O` at `25.0^(@)C` to cool It to `0.0^(@)`C? The heat of fusion of ice is `334Jg^(-1)`

`1.25g`

`7.49g`

`31.3g`

100g

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