Met. gogle. com/yka-entz-oov​

What is the percent composition of ca(oh)2? 37.7% ca, 53.0% o, and 10.3% h 45.5% ca, 38.2% o, and 16.3% h 54.0% ca, 43.0% o, and 2.7% h 64.7% ca, 27.0% o, and 8.3% h

Word equation for k(s) +h2o(l) yield koh (aq) + h2

What element has similar physical and chemical properties as boron.