The ph level depends on temperature.
Answer: cause oxegeon is harmful then helium
Explanation:
D. Zinc metal (zn)
Zinc is a chemical element with atomic number 30.
Answer:
94.3 grams
Explanation:
MW of C2HF3O2 is 114g/mol
MW of oxygen in C2HF3O2 is 32g/mol
% composition of oxygen in C2HF3O2 = 32/114 × 100 = 28.1%
Mass of oxygen = 26.5 grams
Mass of trifluoroacetic acid = 26.5/0.281 = 94.3 grams