Help me pls
. About how often does the Moon complete an orbit around Earth? ?

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2

Astudent completes a titration by adding 12.0 milliliters of naoh(aq) of unknown concentration to 16.0 milliliters of 0.15 m hcl(aq). what is the molar concentration of the naoh(aq)? 1)5.0 m 2)0.20 m 3)0.11 m 4)1.1 m

Write a balanced equation showing the formation of copper (ii) nitrite from its elements