Question

calculate the number of moles in 46 gram of sodium

Answer 1

Answer:

Formula to calculate the no. of moles:

No of moles = known mass of a substance/ molar mass of the substance.

No. of moles of Na= 46 / 23

                            = 2 moles

So in 46 grams, 2 moles of Na are present.

Answer 2

Answer:2

Explanation:molecular mass=Na

                                              = 22+1 = 23

Moles of sodium=    46÷23

                           =2