What is the mass percent of oxygen in each of the following compounds? (show work) O2
Ca(NO3)2
H2O

Calculate the mass of oxygen in the given amount of each compound. (show work)
3.0 g O2
3.0 g Ca(NO3)2
3.0 g H2O

Which is true of transition metals when moving from left to right on the periodic table? the d sublevels are not filled across the period. the cation radii become larger across the period. atomic radii increase slightly and then start to decrease. atomic radii decrease slightly and then start to increase. o

Which term refers to a property that depends only on the amount of a substance? ©@

Select the correct answer a modure consists of glucose and water. what is the percent composition of glucose in the mixture if it contains 1.3 moles of glucose (cho total mass of the mature is 276 grams? ) and the a 1775