What is the [oh-],[h3o] and ph for the following

a) 6.5×10-¹ m naoh
b) 4.7×10-² m koh
c) 1.2×10-² m lioh
d) 8.8×10-³ m naoh

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?

While in europe, if you drive 125 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car’s gas mileage is 32.0 mi/gal? assume that 1 euro=1.26 dollars

Which of the following molecules is polar? c3h7oh c2h5cooh