Question

What is the mass in grams of 6.5 moles of work? Please show work.

Answer 1

6.5 moles of work?

6.5 moles of what?

Answer 2

90g

Answer 3

atomic mass of C, H and O. The molar mass is 27 * C + 46 * H + 1 * O where C, H and O are the atomic masses

Use the coefficients in the balanced equation to determine the best ratio

Okay, the volume of 2 moles at STP is simple grade 3 math

.Divide mass by the molar mass to get the number of moles

Multiply the moles of water by the molar mass of water

Hint, look at my second reply

Density = mass divided by the volume.

Answer 4

use the formula percentage composition, it really will help, please try it first, if you need help, i can help you