Question

Calculate the number of moles of

a) 46g of Na. b) 27g of water​

Answer 1

Answer:

(a) 46000

(b) 27000

here you go.......

Answer 2

Answer:

Explanation:

How many moles are present in 46 grams of Na?

2 moles ,

No of moles = known mass of a substance/ molar mass of the substance. So in 46 grams, 2 moles of Na are present.

How many moles are in 27 grams of h2o?

1.5 moles ,

There are 1.5 moles of water in a 27 gram sample of water. The molar mass of water is 18.02 gmol g m o l . To determine the moles of water, divide the grams of water by the molar mass.

HOPE IT HELPS YOU.