Teaching DSSSB TGT Mock Test 2025 General Science Chemistry Basic Concepts of Chemistry

Calculate the formula unit mass of Na2CO3.10 H2O. [Given atomic mass: Na = 23.0 u, C = 12.0 u, O = 16.0 u, and H = 1.0 u]

1
124 u
2
286 u
3
426 u
4
254 u
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