The ancient greeks thought that the earth was composed of earth, water, fire, and air.
Hope this helps you!
MITOCHONDRIA.
The powerhouse of a cell is Mitochondria, don’t you even forget this.
Answer:
Mass = 46.52 g
Explanation:
Given data:
Mass of sodium phosphate react = 49.33 g
Mass of calcium phosphate produced = ?
Solution:
Chemical equation:
2Na₃PO₄ + 3Ca(NO₃)₂ → Ca₃(PO₄)₂ + 6NaNO₃
Number of moles of Na₃PO₄:
Number of moles = mass/molar mass
Number of moles = 49.33 g/ 163.94 g/mol
Number of moles = 0.300 mol
now we will compare the moles of Na₃PO₄ and Ca₃(PO₄)₂
Na₃PO₄ : Ca₃(PO₄)₂
2 : 1
0.300 : 1/2×0.300 = 0.15
Mass of Ca₃(PO₄)₂:
Mass = number of moles × molar mass
Mass = 0.15 mol × 310.14 g/mol
Mass = 46.52 g
ABSTRACT
This module, one of 13 NYSCATE modules, features the integration of
mathematics, science, and technology (MST) through an emphasis on design in
the context of solutions and dilutions. Groups of students design, construct, and
test a kit for measuring iron concentration that is to be used in Third World
countries. The kit includes directions (standard operating procedure [SOP]),
small-volume measuring devices, limited distilled water, and other materials. The
procedure establishes a maximum percent error for the iron determinations.
