85g of nicl2 dissolves in 350ml of h2o. what is the molarity? show your work

Explain how the integumentary system plays a crucial role in the ability to maintain homeoestasis

How have the greenhouse gasses increased from the year 2000 to 2018

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.