A 250.0 gram block is placed on a balance. A lab group measures the mass on a triple beam balance. The mass is taken 3 times and the results are 243.9 g, 246.2 g, and 251.7. What is the average percent error of the data?

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

Asolution of sodium hydroxide was titrated against a solution of sulfuric acid. how many moles of sodium hydroxide would react with 1 mole of sulfuric acid?

What metric units would you use to measure the thickness of a key