Question

plz ans. me step by step i mark brainliest. calculate the mass of 3.011×10^24 0f water​

Answer 1

Answer:

mass of water is ......H20.......know....then ....2×1+1×18 = 1+18=19.....xD

Answer 2

Explanation:

Atomic mass : N=14u)

Thus, the mass of 1 mole of nitrogen molecules is 28 grams.

Now, 1 mole of nitrogen molecules contains 6.022×1023 molecules.

This mass of 3.011×1024 molecules of nitrogen is 140 grams.