Brynn

In hard water analysis, the end point is reached when 13.5 mL of 0.0913 M standardized EDTA has been added. Determine the water hardness in equivalence of CaCO3. That is, determine the mg CaCO3 per liter

calculate how much 0.100 M NaOH is needed to react completely in 45 mL of 0.0500 M HCl

calculate the pH during the titration of 100 mL of .200 M HCl with .400 M NaOH after 0,25, 50, and 75 mL NaOH have been added

a glassblower heats glass (the system) to its softening temperature. Is the entrophy change of the system is positive or negative?

Which one is a better deal? 48 sheets of origami for $2.75 or 55 sheets of origami paper for $3.10

The height above ground of a rock dropped from a bridge can be found using the formula h(t) = 9.8tsquared + 100, where t represents the number of seconds. What is the height of the rock after 3 seconds? How long will it take the rock to hit the bottom?

the ratio of of the number of adults to the number of students at the prom has to be 1:10. Last year there were 477 more students than adults at the prom. If the school is expecting the same attendance this year how many adults have to attend prom?

Sophia,you can use a table to see how many shirts are needed and to figure out the size. You can use a graph to see how much each one costs and to figure out the total

Whats the answer to the second one?

70 feet

This is literally one of my questions in the book! Like totally! Thnx for the answer