How many grams of HNO, are in 1.655 x 1022 molecules of HNO,? Show the conversions required to solve this problem and calculate the grams of HNO3.
63.018 g HNO,
1.655 x 1022 molecules HNO, X
1 mol HNO,
6.022 x 1029 molecules HNO,
= ? g HNO
1 mol HNO,
Answer Bank
mass HNO3
g HNO,

What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?

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