Answer:
water was added to powdered rock
Explanation:
Answer:
<u>C</u>
Explanation:
The percent composition of an atom in a molecule gives information regarding the relative amount of mass an atom contributes to a molecule.
Igneous rock because they lie deep within the earth, usually formed when lava cools and hardens. :) hope this helps and can I have brainliest answer
Answer:
The concentration is 0.036 mg/mL
Explanation:
Concentration = 0.2 mM = 0.2/1000 = 2×10^-4 M = 2×10^-4 mol/L × 180,000 mg/1 mol × 1 L/1000 mL = 0.036 mg/mL
Arsenic's valence electrons are there.