Answer:
The law of constant proportions states that chemical compounds are made up of elements that are present in a fixed ratio by mass. This implies that any pure sample of a compound, no matter the source, will always consist of the same elements that are present in the same ratio by mass.
Answer:
c
Explanation:
allow plants to absorb water and nutrients from the soil
KI is the formula to potassium
Answer:

Explanation:
Data:
MM = 848.952 g/mol
c = 4.0 x 10⁻⁶ g/L
V = 1 L
Calculations:
(a) Mass of growth hormone

(b) Moles of growth hormone

Answer:Calorimetry
Explanation: In this case, an instrument called Calorimeter is used to measure the amount of heat being transferred