Answer: 1. HYDROCARBONS? 2. ALKANES?
i'm not exactly AMAZING at this but i did some research and this is what i think it is i'm also not in this grade but i tried.
<span>To find the most accurate result possible, Myra should use a pH meter that has been accurately calibrated to test her sample of drinking water. These meters are used in a wide variety of fields from laboratories that run experiments to companies that require strict quality control standards for their products.</span>
The atom is krypton and its symbol is Kr.
the mass number is 41 + 36 = 77
its charge is 0 as it is a noble gas.
<span>1.8x10^20 atoms x (1 mole / 6.022x10^23 atoms) = 3.0x10^-4 mole</span>
Answer:
water table is the level below which the ground is saturated with the water
