Chemistry

Determine the mass (in grams) of 1.45 mol of diphosphorus dioxide.

I am getting my answer to be 136.22g... but ITS NOT RIGHT aparantly.

All I did was that I took 1.45mol and multipled P2O2's molar mass...... to get grams right?

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asked by Dick Rogers
  1. Right on the prodedure. However, how did you get five significant digits in the answer when your moles had only three significant digits?

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    posted by bobpursley
  2. calculate the mass in grams : 4.57 x 10^20 H2O2 molecules

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    posted by nancy

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