Question

EspanolAnswer the following.(a) A certain solution has a hydrogen ion concentration of 2.21 x 10^-6 moles per liter. Write this number in standard notation.(b) A fin whale can weigh up to 260,000 pounds. Write this number in scientific notation.(a) moles per liter(b) pounds

Answer 1

Part a

we have the number

`2.21\cdot10^(-6)=(2.21)/(10^6)=(2.21)/(1,000,000)=0.00000221`

answer part a is

0.00000221 moles per liter

Part b

we have the number

`260,000=2.6\cdot(100,000)=2.6\cdot10^5`

answer Part b is

2.6 x 10^5 pounds