Author Question: The number 0.000001, is written in scientific notation as: A. 1 X 105 B. 1 X 106 C. 1 X 107 ... (Read 39 times)

xclash · **on:** Aug 27, 2018

The number 0.000001, is written in scientific notation as:

A. 1 X 105
B. 1 X 106
C. 1 X 107
D. 1 X 108

Question 2

A student prepared a stock solution by dissolving 20.0 g of KOH in enough water to make 150. mL of solution. She then took 15.0 mL of the stock solution and diluted it with enough water to make 65.0 mL of a final solution.

What is the concentration of KOH for the final solution? A) 0.548 M
B) 0.713 M
C) 1.40 M
D) 1.82 M