B. The rocks carried by the glacier would leave the marks
3.07g H2
27.4/26.98/2x3x1.01x2=3.07
that's your work bro do by your own
Answer:
finding the mass percentage oven element in a compound might sound complicated, but the calculation is simple. For example, to determine the mass percentage of hydrogen in water H2O, divide the major mass of hydrogen by the total molar mass of water and then multiply the result by 100
the answer is dure light I'm not sure of this answer ,but it might be to go with .