Question

Intro
у
2.0
E
Work out the percentage composition of
constituents elements in the following
compounds:
a. Lead phosphate [Pb3(PO4)21,
b. Potassium dichromate (K2Cr20,),
C. Macrocosmic salt - Sodium ammonium
hydrogen phosphate tetrahydrate
(NaNH HP04.4H20)
(At mass : Pb = 207; P = 31; O = 16; K = 39;
Cr = 52; Na = 23; N = 14)
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Answer 1

Answer:

Potassium dichromate k 2cr2o

Explanation:

Is the answer