Problem 32P

Complete the table.

Element |
Moles |
Mass |

Cr |
0.00442 |
______ |

Fe |
______ |
73.5 mg |

Ti |
1.009 × |
______ |

Hg |
______ |
1.78 kg |

Solution 32P

Complete the table.

Element |
Moles |
Mass |

Cr |
0.00442 |
0.2183g |

Fe |
3.024 |
73.5 mg |

Ti |
1.009 |
48.297 |

Hg |
0.444 |
1.78 kg |

To convert grams into moles, divide the given mass by the molar mass for the element.

To convert moles into gram there are three steps

1.Determine how many moles are given in the problem.

2.Calculate the molar mass of the substance.

3.Multiply step one by step two.