A student needs to prepare 3.0 liters 0.20 M NaOH solution from a 5.0 M NaOH stock
solution. How many milliliters of stock solution should the student use? (1 point)
100 ml
120 mL
150 mL
O 160 mL

Zoe placed colored blocks on a scale in science class. each block weighed 0.8 ounces. the total weight of all the colored blocks was 12.8 ounces. how many blocks did zoe place on the scale? write and solve an equation to find the answer.

15 point ! ~ see if you know the answer to both you!

Write the equation in logarithmic form e^x=403.429