15mL of 0.40M Mg(OH)2 is required to neutralize 20ml of unknown HCl. What is the concentration of the HCl?

a
0.60 M
b
0.30 M
c
0.15 M
d
0.45 M

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na, so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g

20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?

Which of these is an intensive property of a substance