Mass percent= grams solute/ grams of solution x 100
Mass Percent= (50/ 150)x100= 33.3%
Answer:
Start with the number of grams of each element, given in the problem. the mass of each element = the percent given. Convert the mass of each element to moles using the molar mass from the periodic table. Divide each mole value by the smallest number of moles calculated.
It’s +21 (c) if i answered late my apologies
Answer: A
FeCl3 + 3 NaOH -> Fe(OH)3 + 3 NaCl
Correct Answer: compound because the atoms of the elements are combined in a fixed proportion.