Explanation:
Element Abundance percent by weight Abundance parts per million by weight
Oxygen 46.1% 461,000
Silicon 28.2% 282,000
Aluminum 8.23% 82,300
Iron 5.63% 56,300
Answer: The unknown solution had the lower concentration
Explanation: concentration will always move from higher to lower region. If the concentration of the unknown solution has increased, it therefore means that the initial concentration of the unknown solution was low
One mole of methane has a mass of 16 g
Answer:
Because the star has a higher luminosity/intrinsic brightness than other stars.
Nolur acil lütfen yalvarırım sana da hayırlı