Calculate the density of an object with a mass of 8g and a volume of 40mL * 320g/mL
320mg/L
O 0.2g/mL
0 0.2mg/L

Which best describes why nh4+ can form an ionic bond with cl-?

Consider the following system at equilibrium. caco3(s) ca2+(aq) + co32–(aq) the addition of which compound will cause a shift in equilibrium because of a common ion effect? ccl4 co2 cuso4 na2co3

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.