State convert the mass of a to moles

Reference no: EM13183341

1. At 25 °C, how many dissociated H ions are there in 765 mL of an aqueous solution whose pH is 9.17?

2. In a chemical reaction, exactly 2 mol of substance A react to produce exactly 3 mol of substance B.

2 A ---> 3 B

How many molecules of substance B are produced when 30.0 g of substance A reacts? The molar mass of substance A is 23.5 g/mol.

A) Convert the mass of A to moles

B) Convert the number of moles of A to the number of moles of B

C) Concert the number of moles of B to molecules of B

Reference no: EM13183341

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