How many grams of a stock solution that is 87.0 percent h2so4 by mass would be needed to make 200 grams of a 35.5 percent by mass solution? show all of the work needed to solve this problem

200. ml of 3.00 m nacl solution is diluted to a final volume of 500. ml. what is the molarity of the final solution?

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?